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Finding the Fourth Proportional to 270,781.95, 406,211.80 and 93,241.29

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Solution

The fourth proportional to 270,781.95, 406,211.80 and 93,241.29 is: 139,875.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,781.95 : 406,211.80 = 93,241.29 : x
  2. Step 2: Convert to fraction form
    270,781.95/406,211.80 = 93,241.29/x
  3. Step 3: Cross multiply
    270,781.95x = 406,211.80 × 93,241.29
  4. Step 4: Simplify right side
    270,781.95x = 37,875,710,214.16
  5. Step 5: Solve for x
    x = 37,875,710,214.16/270,781.95
  6. Step 6: Final answer
    x = 139,875.32

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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.