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Finding the Fourth Proportional to 159,862.40, 238,554.40 and 132,214.40

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Solution

The fourth proportional to 159,862.40, 238,554.40 and 132,214.40 is: 197,296.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,862.40 : 238,554.40 = 132,214.40 : x
  2. Step 2: Convert to fraction form
    159,862.40/238,554.40 = 132,214.40/x
  3. Step 3: Cross multiply
    159,862.40x = 238,554.40 × 132,214.40
  4. Step 4: Simplify right side
    159,862.40x = 31,540,326,863.36
  5. Step 5: Solve for x
    x = 31,540,326,863.36/159,862.40
  6. Step 6: Final answer
    x = 197,296.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.