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Finding the Fourth Proportional to 101,179.17, 151,769.36 and 45,006.08

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Solution

The fourth proportional to 101,179.17, 151,769.36 and 45,006.08 is: 67,509.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,179.17 : 151,769.36 = 45,006.08 : x
  2. Step 2: Convert to fraction form
    101,179.17/151,769.36 = 45,006.08/x
  3. Step 3: Cross multiply
    101,179.17x = 151,769.36 × 45,006.08
  4. Step 4: Simplify right side
    101,179.17x = 6,830,543,957.71
  5. Step 5: Solve for x
    x = 6,830,543,957.71/101,179.17
  6. Step 6: Final answer
    x = 67,509.39

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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.