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Finding the Fourth Proportional to 145,610.59, 201,004.61 and 97,891.62

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Solution

The fourth proportional to 145,610.59, 201,004.61 and 97,891.62 is: 135,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,610.59 : 201,004.61 = 97,891.62 : x
  2. Step 2: Convert to fraction form
    145,610.59/201,004.61 = 97,891.62/x
  3. Step 3: Cross multiply
    145,610.59x = 201,004.61 × 97,891.62
  4. Step 4: Simplify right side
    145,610.59x = 19,676,666,410.91
  5. Step 5: Solve for x
    x = 19,676,666,410.91/145,610.59
  6. Step 6: Final answer
    x = 135,132.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.