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Finding the Fourth Proportional to 93,985.60, 141,010.80 and 41,432.80

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Solution

The fourth proportional to 93,985.60, 141,010.80 and 41,432.80 is: 62,163.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,985.60 : 141,010.80 = 41,432.80 : x
  2. Step 2: Convert to fraction form
    93,985.60/141,010.80 = 41,432.80/x
  3. Step 3: Cross multiply
    93,985.60x = 141,010.80 × 41,432.80
  4. Step 4: Simplify right side
    93,985.60x = 5,842,472,274.24
  5. Step 5: Solve for x
    x = 5,842,472,274.24/93,985.60
  6. Step 6: Final answer
    x = 62,163.48

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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.