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Finding the Fourth Proportional to 200,420.46, 300,153.60 and 116,002.80

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Solution

The fourth proportional to 200,420.46, 300,153.60 and 116,002.80 is: 173,728.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,420.46 : 300,153.60 = 116,002.80 : x
  2. Step 2: Convert to fraction form
    200,420.46/300,153.60 = 116,002.80/x
  3. Step 3: Cross multiply
    200,420.46x = 300,153.60 × 116,002.80
  4. Step 4: Simplify right side
    200,420.46x = 34,818,658,030.08
  5. Step 5: Solve for x
    x = 34,818,658,030.08/200,420.46
  6. Step 6: Final answer
    x = 173,728.06

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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.