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Finding the Fourth Proportional to 125,066.87, 187,605.50 and 36,320.39

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Solution

The fourth proportional to 125,066.87, 187,605.50 and 36,320.39 is: 54,482.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,066.87 : 187,605.50 = 36,320.39 : x
  2. Step 2: Convert to fraction form
    125,066.87/187,605.50 = 36,320.39/x
  3. Step 3: Cross multiply
    125,066.87x = 187,605.50 × 36,320.39
  4. Step 4: Simplify right side
    125,066.87x = 6,813,903,806.52
  5. Step 5: Solve for x
    x = 6,813,903,806.52/125,066.87
  6. Step 6: Final answer
    x = 54,482.09

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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.