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Finding the Fourth Proportional to 99,303.48, 137,023.50 and 59,002.32

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Solution

The fourth proportional to 99,303.48, 137,023.50 and 59,002.32 is: 81,414.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,303.48 : 137,023.50 = 59,002.32 : x
  2. Step 2: Convert to fraction form
    99,303.48/137,023.50 = 59,002.32/x
  3. Step 3: Cross multiply
    99,303.48x = 137,023.50 × 59,002.32
  4. Step 4: Simplify right side
    99,303.48x = 8,084,704,394.52
  5. Step 5: Solve for x
    x = 8,084,704,394.52/99,303.48
  6. Step 6: Final answer
    x = 81,414.11

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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.