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Finding the Fourth Proportional to 124,443.60, 186,664.52 and 35,697.20

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Solution

The fourth proportional to 124,443.60, 186,664.52 and 35,697.20 is: 53,545.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,443.60 : 186,664.52 = 35,697.20 : x
  2. Step 2: Convert to fraction form
    124,443.60/186,664.52 = 35,697.20/x
  3. Step 3: Cross multiply
    124,443.60x = 186,664.52 × 35,697.20
  4. Step 4: Simplify right side
    124,443.60x = 6,663,400,703.34
  5. Step 5: Solve for x
    x = 6,663,400,703.34/124,443.60
  6. Step 6: Final answer
    x = 53,545.55

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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.