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Finding the Fourth Proportional to 235,143.01, 324,498.29 and 127,714.84

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Solution

The fourth proportional to 235,143.01, 324,498.29 and 127,714.84 is: 176,246.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,143.01 : 324,498.29 = 127,714.84 : x
  2. Step 2: Convert to fraction form
    235,143.01/324,498.29 = 127,714.84/x
  3. Step 3: Cross multiply
    235,143.01x = 324,498.29 × 127,714.84
  4. Step 4: Simplify right side
    235,143.01x = 41,443,245,737.80
  5. Step 5: Solve for x
    x = 41,443,245,737.80/235,143.01
  6. Step 6: Final answer
    x = 176,246.98

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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.