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Finding the Fourth Proportional to 124,193.32, 186,232.80 and 39,937.90

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Solution

The fourth proportional to 124,193.32, 186,232.80 and 39,937.90 is: 59,888.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,193.32 : 186,232.80 = 39,937.90 : x
  2. Step 2: Convert to fraction form
    124,193.32/186,232.80 = 39,937.90/x
  3. Step 3: Cross multiply
    124,193.32x = 186,232.80 × 39,937.90
  4. Step 4: Simplify right side
    124,193.32x = 7,437,746,943.12
  5. Step 5: Solve for x
    x = 7,437,746,943.12/124,193.32
  6. Step 6: Final answer
    x = 59,888.46

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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.