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Finding the Fourth Proportional to 122,395.44, 168,810.48 and 88,530.96

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Solution

The fourth proportional to 122,395.44, 168,810.48 and 88,530.96 is: 122,103.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,395.44 : 168,810.48 = 88,530.96 : x
  2. Step 2: Convert to fraction form
    122,395.44/168,810.48 = 88,530.96/x
  3. Step 3: Cross multiply
    122,395.44x = 168,810.48 × 88,530.96
  4. Step 4: Simplify right side
    122,395.44x = 14,944,953,852.46
  5. Step 5: Solve for x
    x = 14,944,953,852.46/122,395.44
  6. Step 6: Final answer
    x = 122,103.85

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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.