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Finding the Fourth Proportional to 99,079.80, 148,619.69 and 32,502.05

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Solution

The fourth proportional to 99,079.80, 148,619.69 and 32,502.05 is: 48,753.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,079.80 : 148,619.69 = 32,502.05 : x
  2. Step 2: Convert to fraction form
    99,079.80/148,619.69 = 32,502.05/x
  3. Step 3: Cross multiply
    99,079.80x = 148,619.69 × 32,502.05
  4. Step 4: Simplify right side
    99,079.80x = 4,830,444,595.36
  5. Step 5: Solve for x
    x = 4,830,444,595.36/99,079.80
  6. Step 6: Final answer
    x = 48,753.07

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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.