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Finding the Fourth Proportional to 113,347.95, 156,414 and 62,352.37

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Solution

The fourth proportional to 113,347.95, 156,414 and 62,352.37 is: 86,042.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,347.95 : 156,414 = 62,352.37 : x
  2. Step 2: Convert to fraction form
    113,347.95/156,414 = 62,352.37/x
  3. Step 3: Cross multiply
    113,347.95x = 156,414 × 62,352.37
  4. Step 4: Simplify right side
    113,347.95x = 9,752,783,601.18
  5. Step 5: Solve for x
    x = 9,752,783,601.18/113,347.95
  6. Step 6: Final answer
    x = 86,042.88

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1.5x scale

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.