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Finding the Fourth Proportional to 108,035.52, 162,070.56 and 45,706.56

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Solution

The fourth proportional to 108,035.52, 162,070.56 and 45,706.56 is: 68,567.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,035.52 : 162,070.56 = 45,706.56 : x
  2. Step 2: Convert to fraction form
    108,035.52/162,070.56 = 45,706.56/x
  3. Step 3: Cross multiply
    108,035.52x = 162,070.56 × 45,706.56
  4. Step 4: Simplify right side
    108,035.52x = 7,407,687,774.87
  5. Step 5: Solve for x
    x = 7,407,687,774.87/108,035.52
  6. Step 6: Final answer
    x = 68,567.15

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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.