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Finding the Fourth Proportional to 98,374.59, 147,543.80 and 26,328.33

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Solution

The fourth proportional to 98,374.59, 147,543.80 and 26,328.33 is: 39,487.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,374.59 : 147,543.80 = 26,328.33 : x
  2. Step 2: Convert to fraction form
    98,374.59/147,543.80 = 26,328.33/x
  3. Step 3: Cross multiply
    98,374.59x = 147,543.80 × 26,328.33
  4. Step 4: Simplify right side
    98,374.59x = 3,884,581,724.21
  5. Step 5: Solve for x
    x = 3,884,581,724.21/98,374.59
  6. Step 6: Final answer
    x = 39,487.65

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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.