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Finding the Fourth Proportional to 103,543.52, 155,289.60 and 44,372.48

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Solution

The fourth proportional to 103,543.52, 155,289.60 and 44,372.48 is: 66,547.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,543.52 : 155,289.60 = 44,372.48 : x
  2. Step 2: Convert to fraction form
    103,543.52/155,289.60 = 44,372.48/x
  3. Step 3: Cross multiply
    103,543.52x = 155,289.60 × 44,372.48
  4. Step 4: Simplify right side
    103,543.52x = 6,890,584,670.21
  5. Step 5: Solve for x
    x = 6,890,584,670.21/103,543.52
  6. Step 6: Final answer
    x = 66,547.72

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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.