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Finding the Fourth Proportional to 163,915.10, 245,882.52 and 51,598.98

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Solution

The fourth proportional to 163,915.10, 245,882.52 and 51,598.98 is: 77,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,915.10 : 245,882.52 = 51,598.98 : x
  2. Step 2: Convert to fraction form
    163,915.10/245,882.52 = 51,598.98/x
  3. Step 3: Cross multiply
    163,915.10x = 245,882.52 × 51,598.98
  4. Step 4: Simplify right side
    163,915.10x = 12,687,287,231.83
  5. Step 5: Solve for x
    x = 12,687,287,231.83/163,915.10
  6. Step 6: Final answer
    x = 77,401.58

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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.