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Finding the Fourth Proportional to 122,595.66, 169,163.64 and 68,870.52

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Solution

The fourth proportional to 122,595.66, 169,163.64 and 68,870.52 is: 95,031.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,595.66 : 169,163.64 = 68,870.52 : x
  2. Step 2: Convert to fraction form
    122,595.66/169,163.64 = 68,870.52/x
  3. Step 3: Cross multiply
    122,595.66x = 169,163.64 × 68,870.52
  4. Step 4: Simplify right side
    122,595.66x = 11,650,387,851.89
  5. Step 5: Solve for x
    x = 11,650,387,851.89/122,595.66
  6. Step 6: Final answer
    x = 95,031.00

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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.