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Finding the Fourth Proportional to 243,743.31, 365,365.89 and 93,924.90

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Solution

The fourth proportional to 243,743.31, 365,365.89 and 93,924.90 is: 140,791.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,743.31 : 365,365.89 = 93,924.90 : x
  2. Step 2: Convert to fraction form
    243,743.31/365,365.89 = 93,924.90/x
  3. Step 3: Cross multiply
    243,743.31x = 365,365.89 × 93,924.90
  4. Step 4: Simplify right side
    243,743.31x = 34,316,954,681.66
  5. Step 5: Solve for x
    x = 34,316,954,681.66/243,743.31
  6. Step 6: Final answer
    x = 140,791.37

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1.5x scale

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.