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Finding the Fourth Proportional to 162,424.35, 243,472.96 and 67,706.97

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Solution

The fourth proportional to 162,424.35, 243,472.96 and 67,706.97 is: 101,492.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,424.35 : 243,472.96 = 67,706.97 : x
  2. Step 2: Convert to fraction form
    162,424.35/243,472.96 = 67,706.97/x
  3. Step 3: Cross multiply
    162,424.35x = 243,472.96 × 67,706.97
  4. Step 4: Simplify right side
    162,424.35x = 16,484,817,130.10
  5. Step 5: Solve for x
    x = 16,484,817,130.10/162,424.35
  6. Step 6: Final answer
    x = 101,492.28

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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.