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Finding the Fourth Proportional to 124,326.58, 186,545.01 and 65,148.19

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Solution

The fourth proportional to 124,326.58, 186,545.01 and 65,148.19 is: 97,751.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,326.58 : 186,545.01 = 65,148.19 : x
  2. Step 2: Convert to fraction form
    124,326.58/186,545.01 = 65,148.19/x
  3. Step 3: Cross multiply
    124,326.58x = 186,545.01 × 65,148.19
  4. Step 4: Simplify right side
    124,326.58x = 12,153,069,755.03
  5. Step 5: Solve for x
    x = 12,153,069,755.03/124,326.58
  6. Step 6: Final answer
    x = 97,751.18

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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.