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Finding the Fourth Proportional to 108,565.98, 162,835.98 and 46,254.30

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Solution

The fourth proportional to 108,565.98, 162,835.98 and 46,254.30 is: 69,375.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,565.98 : 162,835.98 = 46,254.30 : x
  2. Step 2: Convert to fraction form
    108,565.98/162,835.98 = 46,254.30/x
  3. Step 3: Cross multiply
    108,565.98x = 162,835.98 × 46,254.30
  4. Step 4: Simplify right side
    108,565.98x = 7,531,864,269.71
  5. Step 5: Solve for x
    x = 7,531,864,269.71/108,565.98
  6. Step 6: Final answer
    x = 69,375.92

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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.