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Finding the Fourth Proportional to 108,001.70, 161,953.95 and 41,419.70

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Solution

The fourth proportional to 108,001.70, 161,953.95 and 41,419.70 is: 62,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,001.70 : 161,953.95 = 41,419.70 : x
  2. Step 2: Convert to fraction form
    108,001.70/161,953.95 = 41,419.70/x
  3. Step 3: Cross multiply
    108,001.70x = 161,953.95 × 41,419.70
  4. Step 4: Simplify right side
    108,001.70x = 6,708,084,022.82
  5. Step 5: Solve for x
    x = 6,708,084,022.82/108,001.70
  6. Step 6: Final answer
    x = 62,110.91

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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.