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Finding the Fourth Proportional to 124,487.22, 186,730.52 and 53,363.74

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Solution

The fourth proportional to 124,487.22, 186,730.52 and 53,363.74 is: 80,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,487.22 : 186,730.52 = 53,363.74 : x
  2. Step 2: Convert to fraction form
    124,487.22/186,730.52 = 53,363.74/x
  3. Step 3: Cross multiply
    124,487.22x = 186,730.52 × 53,363.74
  4. Step 4: Simplify right side
    124,487.22x = 9,964,638,919.34
  5. Step 5: Solve for x
    x = 9,964,638,919.34/124,487.22
  6. Step 6: Final answer
    x = 80,045.48

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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.