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Finding the Fourth Proportional to 162,411.12, 224,045.28 and 108,698.40

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Solution

The fourth proportional to 162,411.12, 224,045.28 and 108,698.40 is: 149,948.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,411.12 : 224,045.28 = 108,698.40 : x
  2. Step 2: Convert to fraction form
    162,411.12/224,045.28 = 108,698.40/x
  3. Step 3: Cross multiply
    162,411.12x = 224,045.28 × 108,698.40
  4. Step 4: Simplify right side
    162,411.12x = 24,353,363,463.55
  5. Step 5: Solve for x
    x = 24,353,363,463.55/162,411.12
  6. Step 6: Final answer
    x = 149,948.87

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