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Finding the Fourth Proportional to 99,275.66, 148,931.94 and 32,720.46

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Solution

The fourth proportional to 99,275.66, 148,931.94 and 32,720.46 is: 49,086.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,275.66 : 148,931.94 = 32,720.46 : x
  2. Step 2: Convert to fraction form
    99,275.66/148,931.94 = 32,720.46/x
  3. Step 3: Cross multiply
    99,275.66x = 148,931.94 × 32,720.46
  4. Step 4: Simplify right side
    99,275.66x = 4,873,121,794.22
  5. Step 5: Solve for x
    x = 4,873,121,794.22/99,275.66
  6. Step 6: Final answer
    x = 49,086.77

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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.