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Finding the Fourth Proportional to 144,023.58, 215,977.60 and 59,726.48

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Solution

The fourth proportional to 144,023.58, 215,977.60 and 59,726.48 is: 89,565.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,023.58 : 215,977.60 = 59,726.48 : x
  2. Step 2: Convert to fraction form
    144,023.58/215,977.60 = 59,726.48/x
  3. Step 3: Cross multiply
    144,023.58x = 215,977.60 × 59,726.48
  4. Step 4: Simplify right side
    144,023.58x = 12,899,580,726.96
  5. Step 5: Solve for x
    x = 12,899,580,726.96/144,023.58
  6. Step 6: Final answer
    x = 89,565.76

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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.