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Finding the Fourth Proportional to 156,915.25, 235,424.72 and 63,369.97

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Solution

The fourth proportional to 156,915.25, 235,424.72 and 63,369.97 is: 95,075.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,915.25 : 235,424.72 = 63,369.97 : x
  2. Step 2: Convert to fraction form
    156,915.25/235,424.72 = 63,369.97/x
  3. Step 3: Cross multiply
    156,915.25x = 235,424.72 × 63,369.97
  4. Step 4: Simplify right side
    156,915.25x = 14,918,857,443.66
  5. Step 5: Solve for x
    x = 14,918,857,443.66/156,915.25
  6. Step 6: Final answer
    x = 95,075.89

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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.