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Finding the Fourth Proportional to 96,348.40, 132,964.68 and 53,904.40

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Solution

The fourth proportional to 96,348.40, 132,964.68 and 53,904.40 is: 74,390.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,348.40 : 132,964.68 = 53,904.40 : x
  2. Step 2: Convert to fraction form
    96,348.40/132,964.68 = 53,904.40/x
  3. Step 3: Cross multiply
    96,348.40x = 132,964.68 × 53,904.40
  4. Step 4: Simplify right side
    96,348.40x = 7,167,381,296.59
  5. Step 5: Solve for x
    x = 7,167,381,296.59/96,348.40
  6. Step 6: Final answer
    x = 74,390.25

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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.