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Finding the Fourth Proportional to 96,312.98, 132,904.70 and 53,863.31

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Solution

The fourth proportional to 96,312.98, 132,904.70 and 53,863.31 is: 74,327.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,312.98 : 132,904.70 = 53,863.31 : x
  2. Step 2: Convert to fraction form
    96,312.98/132,904.70 = 53,863.31/x
  3. Step 3: Cross multiply
    96,312.98x = 132,904.70 × 53,863.31
  4. Step 4: Simplify right side
    96,312.98x = 7,158,687,321.49
  5. Step 5: Solve for x
    x = 7,158,687,321.49/96,312.98
  6. Step 6: Final answer
    x = 74,327.34

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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.