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Finding the Fourth Proportional to 76,937.35, 106,154.84 and 45,100.10

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Solution

The fourth proportional to 76,937.35, 106,154.84 and 45,100.10 is: 62,227.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,937.35 : 106,154.84 = 45,100.10 : x
  2. Step 2: Convert to fraction form
    76,937.35/106,154.84 = 45,100.10/x
  3. Step 3: Cross multiply
    76,937.35x = 106,154.84 × 45,100.10
  4. Step 4: Simplify right side
    76,937.35x = 4,787,593,834.42
  5. Step 5: Solve for x
    x = 4,787,593,834.42/76,937.35
  6. Step 6: Final answer
    x = 62,227.17

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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.