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Finding the Fourth Proportional to 162,402.76, 224,106.60 and 89,801.38

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Solution

The fourth proportional to 162,402.76, 224,106.60 and 89,801.38 is: 123,920.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,402.76 : 224,106.60 = 89,801.38 : x
  2. Step 2: Convert to fraction form
    162,402.76/224,106.60 = 89,801.38/x
  3. Step 3: Cross multiply
    162,402.76x = 224,106.60 × 89,801.38
  4. Step 4: Simplify right side
    162,402.76x = 20,125,081,947.11
  5. Step 5: Solve for x
    x = 20,125,081,947.11/162,402.76
  6. Step 6: Final answer
    x = 123,920.81

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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.