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Finding the Fourth Proportional to 162,813.92, 224,683.20 and 99,151.71

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Solution

The fourth proportional to 162,813.92, 224,683.20 and 99,151.71 is: 136,829.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,813.92 : 224,683.20 = 99,151.71 : x
  2. Step 2: Convert to fraction form
    162,813.92/224,683.20 = 99,151.71/x
  3. Step 3: Cross multiply
    162,813.92x = 224,683.20 × 99,151.71
  4. Step 4: Simplify right side
    162,813.92x = 22,277,724,801.79
  5. Step 5: Solve for x
    x = 22,277,724,801.79/162,813.92
  6. Step 6: Final answer
    x = 136,829.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.