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Finding the Fourth Proportional to 132,897.78, 199,346.67 and 62,784.18

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Solution

The fourth proportional to 132,897.78, 199,346.67 and 62,784.18 is: 94,176.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,897.78 : 199,346.67 = 62,784.18 : x
  2. Step 2: Convert to fraction form
    132,897.78/199,346.67 = 62,784.18/x
  3. Step 3: Cross multiply
    132,897.78x = 199,346.67 × 62,784.18
  4. Step 4: Simplify right side
    132,897.78x = 12,515,817,211.68
  5. Step 5: Solve for x
    x = 12,515,817,211.68/132,897.78
  6. Step 6: Final answer
    x = 94,176.27

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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.