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Finding the Fourth Proportional to 96,718.88, 133,437.84 and 63,204.32

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Solution

The fourth proportional to 96,718.88, 133,437.84 and 63,204.32 is: 87,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,718.88 : 133,437.84 = 63,204.32 : x
  2. Step 2: Convert to fraction form
    96,718.88/133,437.84 = 63,204.32/x
  3. Step 3: Cross multiply
    96,718.88x = 133,437.84 × 63,204.32
  4. Step 4: Simplify right side
    96,718.88x = 8,433,847,939.47
  5. Step 5: Solve for x
    x = 8,433,847,939.47/96,718.88
  6. Step 6: Final answer
    x = 87,199.60

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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.