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Finding the Fourth Proportional to 125,693.02, 188,600.99 and 59,139.77

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Solution

The fourth proportional to 125,693.02, 188,600.99 and 59,139.77 is: 88,738.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,693.02 : 188,600.99 = 59,139.77 : x
  2. Step 2: Convert to fraction form
    125,693.02/188,600.99 = 59,139.77/x
  3. Step 3: Cross multiply
    125,693.02x = 188,600.99 × 59,139.77
  4. Step 4: Simplify right side
    125,693.02x = 11,153,818,874.67
  5. Step 5: Solve for x
    x = 11,153,818,874.67/125,693.02
  6. Step 6: Final answer
    x = 88,738.57

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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.