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Finding the Fourth Proportional to 83,095.61, 124,643.41 and 38,753.37

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Solution

The fourth proportional to 83,095.61, 124,643.41 and 38,753.37 is: 58,130.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,095.61 : 124,643.41 = 38,753.37 : x
  2. Step 2: Convert to fraction form
    83,095.61/124,643.41 = 38,753.37/x
  3. Step 3: Cross multiply
    83,095.61x = 124,643.41 × 38,753.37
  4. Step 4: Simplify right side
    83,095.61x = 4,830,352,088.91
  5. Step 5: Solve for x
    x = 4,830,352,088.91/83,095.61
  6. Step 6: Final answer
    x = 58,130.06

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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.