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Finding the Fourth Proportional to 75,088.62, 112,688.42 and 60,473.94

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Solution

The fourth proportional to 75,088.62, 112,688.42 and 60,473.94 is: 90,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,088.62 : 112,688.42 = 60,473.94 : x
  2. Step 2: Convert to fraction form
    75,088.62/112,688.42 = 60,473.94/x
  3. Step 3: Cross multiply
    75,088.62x = 112,688.42 × 60,473.94
  4. Step 4: Simplify right side
    75,088.62x = 6,814,712,749.77
  5. Step 5: Solve for x
    x = 6,814,712,749.77/75,088.62
  6. Step 6: Final answer
    x = 90,755.60

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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.