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Finding the Fourth Proportional to 108,488.26, 162,670.02 and 57,824.88

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Solution

The fourth proportional to 108,488.26, 162,670.02 and 57,824.88 is: 86,704.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,488.26 : 162,670.02 = 57,824.88 : x
  2. Step 2: Convert to fraction form
    108,488.26/162,670.02 = 57,824.88/x
  3. Step 3: Cross multiply
    108,488.26x = 162,670.02 × 57,824.88
  4. Step 4: Simplify right side
    108,488.26x = 9,406,374,386.10
  5. Step 5: Solve for x
    x = 9,406,374,386.10/108,488.26
  6. Step 6: Final answer
    x = 86,704.08

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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.