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Finding the Fourth Proportional to 133,463.55, 200,154.14 and 38,700.72

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Solution

The fourth proportional to 133,463.55, 200,154.14 and 38,700.72 is: 58,039.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,463.55 : 200,154.14 = 38,700.72 : x
  2. Step 2: Convert to fraction form
    133,463.55/200,154.14 = 38,700.72/x
  3. Step 3: Cross multiply
    133,463.55x = 200,154.14 × 38,700.72
  4. Step 4: Simplify right side
    133,463.55x = 7,746,109,328.98
  5. Step 5: Solve for x
    x = 7,746,109,328.98/133,463.55
  6. Step 6: Final answer
    x = 58,039.14

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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.