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Finding the Fourth Proportional to 71,308.48, 98,416.48 and 41,098.28

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Solution

The fourth proportional to 71,308.48, 98,416.48 and 41,098.28 is: 56,721.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,308.48 : 98,416.48 = 41,098.28 : x
  2. Step 2: Convert to fraction form
    71,308.48/98,416.48 = 41,098.28/x
  3. Step 3: Cross multiply
    71,308.48x = 98,416.48 × 41,098.28
  4. Step 4: Simplify right side
    71,308.48x = 4,044,748,051.65
  5. Step 5: Solve for x
    x = 4,044,748,051.65/71,308.48
  6. Step 6: Final answer
    x = 56,721.84

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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.