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Finding the Fourth Proportional to 109,053.74, 150,482.68 and 60,647.83

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Solution

The fourth proportional to 109,053.74, 150,482.68 and 60,647.83 is: 83,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,053.74 : 150,482.68 = 60,647.83 : x
  2. Step 2: Convert to fraction form
    109,053.74/150,482.68 = 60,647.83/x
  3. Step 3: Cross multiply
    109,053.74x = 150,482.68 × 60,647.83
  4. Step 4: Simplify right side
    109,053.74x = 9,126,447,994.58
  5. Step 5: Solve for x
    x = 9,126,447,994.58/109,053.74
  6. Step 6: Final answer
    x = 83,687.62

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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.