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Finding the Fourth Proportional to 96,317.40, 132,915.80 and 53,879.88

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Solution

The fourth proportional to 96,317.40, 132,915.80 and 53,879.88 is: 74,353.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,317.40 : 132,915.80 = 53,879.88 : x
  2. Step 2: Convert to fraction form
    96,317.40/132,915.80 = 53,879.88/x
  3. Step 3: Cross multiply
    96,317.40x = 132,915.80 × 53,879.88
  4. Step 4: Simplify right side
    96,317.40x = 7,161,487,354.10
  5. Step 5: Solve for x
    x = 7,161,487,354.10/96,317.40
  6. Step 6: Final answer
    x = 74,353.00

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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.