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Finding the Fourth Proportional to 109,051.00, 150,478.90 and 60,645.08

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Solution

The fourth proportional to 109,051.00, 150,478.90 and 60,645.08 is: 83,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,051.00 : 150,478.90 = 60,645.08 : x
  2. Step 2: Convert to fraction form
    109,051.00/150,478.90 = 60,645.08/x
  3. Step 3: Cross multiply
    109,051.00x = 150,478.90 × 60,645.08
  4. Step 4: Simplify right side
    109,051.00x = 9,125,805,153.40
  5. Step 5: Solve for x
    x = 9,125,805,153.40/109,051.00
  6. Step 6: Final answer
    x = 83,683.83

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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.