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Finding the Fourth Proportional to 122,041.60, 168,299.08 and 95,174.32

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Solution

The fourth proportional to 122,041.60, 168,299.08 and 95,174.32 is: 131,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,041.60 : 168,299.08 = 95,174.32 : x
  2. Step 2: Convert to fraction form
    122,041.60/168,299.08 = 95,174.32/x
  3. Step 3: Cross multiply
    122,041.60x = 168,299.08 × 95,174.32
  4. Step 4: Simplify right side
    122,041.60x = 16,017,750,495.63
  5. Step 5: Solve for x
    x = 16,017,750,495.63/122,041.60
  6. Step 6: Final answer
    x = 131,248.28

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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.