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Finding the Fourth Proportional to 122,860.01, 169,599.14 and 82,597.13

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Solution

The fourth proportional to 122,860.01, 169,599.14 and 82,597.13 is: 114,019.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,860.01 : 169,599.14 = 82,597.13 : x
  2. Step 2: Convert to fraction form
    122,860.01/169,599.14 = 82,597.13/x
  3. Step 3: Cross multiply
    122,860.01x = 169,599.14 × 82,597.13
  4. Step 4: Simplify right side
    122,860.01x = 14,008,400,953.49
  5. Step 5: Solve for x
    x = 14,008,400,953.49/122,860.01
  6. Step 6: Final answer
    x = 114,019.21

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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.