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Finding the Fourth Proportional to 113,959.41, 157,263.98 and 63,658.41

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Solution

The fourth proportional to 113,959.41, 157,263.98 and 63,658.41 is: 87,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,959.41 : 157,263.98 = 63,658.41 : x
  2. Step 2: Convert to fraction form
    113,959.41/157,263.98 = 63,658.41/x
  3. Step 3: Cross multiply
    113,959.41x = 157,263.98 × 63,658.41
  4. Step 4: Simplify right side
    113,959.41x = 10,011,174,367.12
  5. Step 5: Solve for x
    x = 10,011,174,367.12/113,959.41
  6. Step 6: Final answer
    x = 87,848.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.