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Finding the Fourth Proportional to 98,552.55, 147,837.03 and 42,394.02

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Solution

The fourth proportional to 98,552.55, 147,837.03 and 42,394.02 is: 63,594.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,552.55 : 147,837.03 = 42,394.02 : x
  2. Step 2: Convert to fraction form
    98,552.55/147,837.03 = 42,394.02/x
  3. Step 3: Cross multiply
    98,552.55x = 147,837.03 × 42,394.02
  4. Step 4: Simplify right side
    98,552.55x = 6,267,406,006.56
  5. Step 5: Solve for x
    x = 6,267,406,006.56/98,552.55
  6. Step 6: Final answer
    x = 63,594.56

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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.