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Finding the Fourth Proportional to 98,933.59, 148,473.29 and 61,548.65

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Solution

The fourth proportional to 98,933.59, 148,473.29 and 61,548.65 is: 92,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,933.59 : 148,473.29 = 61,548.65 : x
  2. Step 2: Convert to fraction form
    98,933.59/148,473.29 = 61,548.65/x
  3. Step 3: Cross multiply
    98,933.59x = 148,473.29 × 61,548.65
  4. Step 4: Simplify right side
    98,933.59x = 9,138,330,560.56
  5. Step 5: Solve for x
    x = 9,138,330,560.56/98,933.59
  6. Step 6: Final answer
    x = 92,368.33

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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.