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Finding the Fourth Proportional to 75,063.73, 103,468.85 and 59,122.93

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Solution

The fourth proportional to 75,063.73, 103,468.85 and 59,122.93 is: 81,495.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,063.73 : 103,468.85 = 59,122.93 : x
  2. Step 2: Convert to fraction form
    75,063.73/103,468.85 = 59,122.93/x
  3. Step 3: Cross multiply
    75,063.73x = 103,468.85 × 59,122.93
  4. Step 4: Simplify right side
    75,063.73x = 6,117,381,280.12
  5. Step 5: Solve for x
    x = 6,117,381,280.12/75,063.73
  6. Step 6: Final answer
    x = 81,495.83

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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.