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Finding the Fourth Proportional to 163,842.48, 245,789.64 and 58,659.12

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Solution

The fourth proportional to 163,842.48, 245,789.64 and 58,659.12 is: 87,997.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,842.48 : 245,789.64 = 58,659.12 : x
  2. Step 2: Convert to fraction form
    163,842.48/245,789.64 = 58,659.12/x
  3. Step 3: Cross multiply
    163,842.48x = 245,789.64 × 58,659.12
  4. Step 4: Simplify right side
    163,842.48x = 14,417,803,987.52
  5. Step 5: Solve for x
    x = 14,417,803,987.52/163,842.48
  6. Step 6: Final answer
    x = 87,997.96

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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.