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Finding the Fourth Proportional to 98,353.86, 147,526.84 and 28,233.15

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Solution

The fourth proportional to 98,353.86, 147,526.84 and 28,233.15 is: 42,348.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,353.86 : 147,526.84 = 28,233.15 : x
  2. Step 2: Convert to fraction form
    98,353.86/147,526.84 = 28,233.15/x
  3. Step 3: Cross multiply
    98,353.86x = 147,526.84 × 28,233.15
  4. Step 4: Simplify right side
    98,353.86x = 4,165,147,402.75
  5. Step 5: Solve for x
    x = 4,165,147,402.75/98,353.86
  6. Step 6: Final answer
    x = 42,348.59

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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.