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Finding the Fourth Proportional to 101,604.60, 152,389.56 and 42,424.32

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Solution

The fourth proportional to 101,604.60, 152,389.56 and 42,424.32 is: 63,629.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,604.60 : 152,389.56 = 42,424.32 : x
  2. Step 2: Convert to fraction form
    101,604.60/152,389.56 = 42,424.32/x
  3. Step 3: Cross multiply
    101,604.60x = 152,389.56 × 42,424.32
  4. Step 4: Simplify right side
    101,604.60x = 6,465,023,458.10
  5. Step 5: Solve for x
    x = 6,465,023,458.10/101,604.60
  6. Step 6: Final answer
    x = 63,629.24

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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.