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Finding the Fourth Proportional to 75,146.59, 112,737.17 and 22,557.07

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Solution

The fourth proportional to 75,146.59, 112,737.17 and 22,557.07 is: 33,840.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,146.59 : 112,737.17 = 22,557.07 : x
  2. Step 2: Convert to fraction form
    75,146.59/112,737.17 = 22,557.07/x
  3. Step 3: Cross multiply
    75,146.59x = 112,737.17 × 22,557.07
  4. Step 4: Simplify right side
    75,146.59x = 2,543,020,122.51
  5. Step 5: Solve for x
    x = 2,543,020,122.51/75,146.59
  6. Step 6: Final answer
    x = 33,840.79

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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.