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Finding the Fourth Proportional to 101,498.46, 140,058.23 and 68,726.11

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Solution

The fourth proportional to 101,498.46, 140,058.23 and 68,726.11 is: 94,835.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,498.46 : 140,058.23 = 68,726.11 : x
  2. Step 2: Convert to fraction form
    101,498.46/140,058.23 = 68,726.11/x
  3. Step 3: Cross multiply
    101,498.46x = 140,058.23 × 68,726.11
  4. Step 4: Simplify right side
    101,498.46x = 9,625,657,321.39
  5. Step 5: Solve for x
    x = 9,625,657,321.39/101,498.46
  6. Step 6: Final answer
    x = 94,835.50

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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.