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Finding the Fourth Proportional to 100,602,000.40, 150,903,000.60 and 57,555,279.40

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Solution

The fourth proportional to 100,602,000.40, 150,903,000.60 and 57,555,279.40 is: 86,332,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,602,000.40 : 150,903,000.60 = 57,555,279.40 : x
  2. Step 2: Convert to fraction form
    100,602,000.40/150,903,000.60 = 57,555,279.40/x
  3. Step 3: Cross multiply
    100,602,000.40x = 150,903,000.60 × 57,555,279.40
  4. Step 4: Simplify right side
    100,602,000.40x = 8,685,264,361,831,367
  5. Step 5: Solve for x
    x = 8,685,264,361,831,367/100,602,000.40
  6. Step 6: Final answer
    x = 86,332,919.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.