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Finding the Fourth Proportional to 122,031.98, 168,285.84 and 95,164.68

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Solution

The fourth proportional to 122,031.98, 168,285.84 and 95,164.68 is: 131,235.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,031.98 : 168,285.84 = 95,164.68 : x
  2. Step 2: Convert to fraction form
    122,031.98/168,285.84 = 95,164.68/x
  3. Step 3: Cross multiply
    122,031.98x = 168,285.84 × 95,164.68
  4. Step 4: Simplify right side
    122,031.98x = 16,014,868,386.34
  5. Step 5: Solve for x
    x = 16,014,868,386.34/122,031.98
  6. Step 6: Final answer
    x = 131,235.01

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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.