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Finding the Fourth Proportional to 162,661.01, 224,472.16 and 91,041.04

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Solution

The fourth proportional to 162,661.01, 224,472.16 and 91,041.04 is: 125,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,661.01 : 224,472.16 = 91,041.04 : x
  2. Step 2: Convert to fraction form
    162,661.01/224,472.16 = 91,041.04/x
  3. Step 3: Cross multiply
    162,661.01x = 224,472.16 × 91,041.04
  4. Step 4: Simplify right side
    162,661.01x = 20,436,178,897.45
  5. Step 5: Solve for x
    x = 20,436,178,897.45/162,661.01
  6. Step 6: Final answer
    x = 125,636.62

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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.