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Finding the Fourth Proportional to 162,032.40, 243,048.60 and 43,715.70

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Solution

The fourth proportional to 162,032.40, 243,048.60 and 43,715.70 is: 65,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,032.40 : 243,048.60 = 43,715.70 : x
  2. Step 2: Convert to fraction form
    162,032.40/243,048.60 = 43,715.70/x
  3. Step 3: Cross multiply
    162,032.40x = 243,048.60 × 43,715.70
  4. Step 4: Simplify right side
    162,032.40x = 10,625,039,683.02
  5. Step 5: Solve for x
    x = 10,625,039,683.02/162,032.40
  6. Step 6: Final answer
    x = 65,573.55

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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.