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Finding the Fourth Proportional to 104,693.63, 144,502.88 and 59,398.13

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Solution

The fourth proportional to 104,693.63, 144,502.88 and 59,398.13 is: 81,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,693.63 : 144,502.88 = 59,398.13 : x
  2. Step 2: Convert to fraction form
    104,693.63/144,502.88 = 59,398.13/x
  3. Step 3: Cross multiply
    104,693.63x = 144,502.88 × 59,398.13
  4. Step 4: Simplify right side
    104,693.63x = 8,583,199,832.11
  5. Step 5: Solve for x
    x = 8,583,199,832.11/104,693.63
  6. Step 6: Final answer
    x = 81,983.98

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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.