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Finding the Fourth Proportional to 104,381.48, 156,567.96 and 48,203.12

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Solution

The fourth proportional to 104,381.48, 156,567.96 and 48,203.12 is: 72,302.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,381.48 : 156,567.96 = 48,203.12 : x
  2. Step 2: Convert to fraction form
    104,381.48/156,567.96 = 48,203.12/x
  3. Step 3: Cross multiply
    104,381.48x = 156,567.96 × 48,203.12
  4. Step 4: Simplify right side
    104,381.48x = 7,547,063,381.20
  5. Step 5: Solve for x
    x = 7,547,063,381.20/104,381.48
  6. Step 6: Final answer
    x = 72,302.71

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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.