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Finding the Fourth Proportional to 162,369.87, 224,068.93 and 89,777.78

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Solution

The fourth proportional to 162,369.87, 224,068.93 and 89,777.78 is: 123,892.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,369.87 : 224,068.93 = 89,777.78 : x
  2. Step 2: Convert to fraction form
    162,369.87/224,068.93 = 89,777.78/x
  3. Step 3: Cross multiply
    162,369.87x = 224,068.93 × 89,777.78
  4. Step 4: Simplify right side
    162,369.87x = 20,116,412,363.23
  5. Step 5: Solve for x
    x = 20,116,412,363.23/162,369.87
  6. Step 6: Final answer
    x = 123,892.52

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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.