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Finding the Fourth Proportional to 104,726.63, 144,511.80 and 59,390.12

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Solution

The fourth proportional to 104,726.63, 144,511.80 and 59,390.12 is: 81,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,726.63 : 144,511.80 = 59,390.12 : x
  2. Step 2: Convert to fraction form
    104,726.63/144,511.80 = 59,390.12/x
  3. Step 3: Cross multiply
    104,726.63x = 144,511.80 × 59,390.12
  4. Step 4: Simplify right side
    104,726.63x = 8,582,572,420.86
  5. Step 5: Solve for x
    x = 8,582,572,420.86/104,726.63
  6. Step 6: Final answer
    x = 81,952.15

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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.