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Finding the Fourth Proportional to 140,706.77, 211,060.35 and 40,867.25

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Solution

The fourth proportional to 140,706.77, 211,060.35 and 40,867.25 is: 61,300.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,706.77 : 211,060.35 = 40,867.25 : x
  2. Step 2: Convert to fraction form
    140,706.77/211,060.35 = 40,867.25/x
  3. Step 3: Cross multiply
    140,706.77x = 211,060.35 × 40,867.25
  4. Step 4: Simplify right side
    140,706.77x = 8,625,456,088.54
  5. Step 5: Solve for x
    x = 8,625,456,088.54/140,706.77
  6. Step 6: Final answer
    x = 61,300.93

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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.