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Finding the Fourth Proportional to 113,658.71, 156,846 and 62,670.57

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Solution

The fourth proportional to 113,658.71, 156,846 and 62,670.57 is: 86,483.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,658.71 : 156,846 = 62,670.57 : x
  2. Step 2: Convert to fraction form
    113,658.71/156,846 = 62,670.57/x
  3. Step 3: Cross multiply
    113,658.71x = 156,846 × 62,670.57
  4. Step 4: Simplify right side
    113,658.71x = 9,829,628,222.22
  5. Step 5: Solve for x
    x = 9,829,628,222.22/113,658.71
  6. Step 6: Final answer
    x = 86,483.72

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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.