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Finding the Fourth Proportional to 108,001.10, 161,710.05 and 108,001.10

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Solution

The fourth proportional to 108,001.10, 161,710.05 and 108,001.10 is: 161,710.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,001.10 : 161,710.05 = 108,001.10 : x
  2. Step 2: Convert to fraction form
    108,001.10/161,710.05 = 108,001.10/x
  3. Step 3: Cross multiply
    108,001.10x = 161,710.05 × 108,001.10
  4. Step 4: Simplify right side
    108,001.10x = 17,464,863,281.06
  5. Step 5: Solve for x
    x = 17,464,863,281.06/108,001.10
  6. Step 6: Final answer
    x = 161,710.05

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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.