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Finding the Fourth Proportional to 108,031.14, 162,105.03 and 52,627.14

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Solution

The fourth proportional to 108,031.14, 162,105.03 and 52,627.14 is: 78,969.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,031.14 : 162,105.03 = 52,627.14 : x
  2. Step 2: Convert to fraction form
    108,031.14/162,105.03 = 52,627.14/x
  3. Step 3: Cross multiply
    108,031.14x = 162,105.03 × 52,627.14
  4. Step 4: Simplify right side
    108,031.14x = 8,531,124,108.51
  5. Step 5: Solve for x
    x = 8,531,124,108.51/108,031.14
  6. Step 6: Final answer
    x = 78,969.12

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1.5x scale

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.