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Finding the Fourth Proportional to 96,425.60, 144,638.40 and 54,953.60

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Solution

The fourth proportional to 96,425.60, 144,638.40 and 54,953.60 is: 82,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,425.60 : 144,638.40 = 54,953.60 : x
  2. Step 2: Convert to fraction form
    96,425.60/144,638.40 = 54,953.60/x
  3. Step 3: Cross multiply
    96,425.60x = 144,638.40 × 54,953.60
  4. Step 4: Simplify right side
    96,425.60x = 7,948,400,778.24
  5. Step 5: Solve for x
    x = 7,948,400,778.24/96,425.60
  6. Step 6: Final answer
    x = 82,430.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.