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Finding the Fourth Proportional to 100,653.39, 150,980.76 and 29,575.76

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Solution

The fourth proportional to 100,653.39, 150,980.76 and 29,575.76 is: 44,363.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,653.39 : 150,980.76 = 29,575.76 : x
  2. Step 2: Convert to fraction form
    100,653.39/150,980.76 = 29,575.76/x
  3. Step 3: Cross multiply
    100,653.39x = 150,980.76 × 29,575.76
  4. Step 4: Simplify right side
    100,653.39x = 4,465,369,967.47
  5. Step 5: Solve for x
    x = 4,465,369,967.47/100,653.39
  6. Step 6: Final answer
    x = 44,363.83

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1.5x scale

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.