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Finding the Fourth Proportional to 357,778.33, 536,663.71 and 91,536.73

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Solution

The fourth proportional to 357,778.33, 536,663.71 and 91,536.73 is: 137,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,778.33 : 536,663.71 = 91,536.73 : x
  2. Step 2: Convert to fraction form
    357,778.33/536,663.71 = 91,536.73/x
  3. Step 3: Cross multiply
    357,778.33x = 536,663.71 × 91,536.73
  4. Step 4: Simplify right side
    357,778.33x = 49,124,441,123.07
  5. Step 5: Solve for x
    x = 49,124,441,123.07/357,778.33
  6. Step 6: Final answer
    x = 137,304.13

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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.