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Finding the Fourth Proportional to 215,151.60, 296,886.44 and 119,642.88

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Solution

The fourth proportional to 215,151.60, 296,886.44 and 119,642.88 is: 165,094.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,151.60 : 296,886.44 = 119,642.88 : x
  2. Step 2: Convert to fraction form
    215,151.60/296,886.44 = 119,642.88/x
  3. Step 3: Cross multiply
    215,151.60x = 296,886.44 × 119,642.88
  4. Step 4: Simplify right side
    215,151.60x = 35,520,348,714.55
  5. Step 5: Solve for x
    x = 35,520,348,714.55/215,151.60
  6. Step 6: Final answer
    x = 165,094.51

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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.