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Finding the Fourth Proportional to 59,001.60, 81,421.76 and 32,144

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Solution

The fourth proportional to 59,001.60, 81,421.76 and 32,144 is: 44,358.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,001.60 : 81,421.76 = 32,144 : x
  2. Step 2: Convert to fraction form
    59,001.60/81,421.76 = 32,144/x
  3. Step 3: Cross multiply
    59,001.60x = 81,421.76 × 32,144
  4. Step 4: Simplify right side
    59,001.60x = 2,617,221,053.44
  5. Step 5: Solve for x
    x = 2,617,221,053.44/59,001.60
  6. Step 6: Final answer
    x = 44,358.48

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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.