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Finding the Fourth Proportional to 73,259.00, 109,709.28 and 66,159.29

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Solution

The fourth proportional to 73,259.00, 109,709.28 and 66,159.29 is: 99,077.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,259.00 : 109,709.28 = 66,159.29 : x
  2. Step 2: Convert to fraction form
    73,259.00/109,709.28 = 66,159.29/x
  3. Step 3: Cross multiply
    73,259.00x = 109,709.28 × 66,159.29
  4. Step 4: Simplify right side
    73,259.00x = 7,258,287,740.41
  5. Step 5: Solve for x
    x = 7,258,287,740.41/73,259.00
  6. Step 6: Final answer
    x = 99,077.09

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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.