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Finding the Fourth Proportional to 74,346.01, 102,597.56 and 40,354.52

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Solution

The fourth proportional to 74,346.01, 102,597.56 and 40,354.52 is: 55,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,346.01 : 102,597.56 = 40,354.52 : x
  2. Step 2: Convert to fraction form
    74,346.01/102,597.56 = 40,354.52/x
  3. Step 3: Cross multiply
    74,346.01x = 102,597.56 × 40,354.52
  4. Step 4: Simplify right side
    74,346.01x = 4,140,275,085.20
  5. Step 5: Solve for x
    x = 4,140,275,085.20/74,346.01
  6. Step 6: Final answer
    x = 55,689.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.