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Finding the Fourth Proportional to 94,618.64, 130,451.88 and 77,559.44

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Solution

The fourth proportional to 94,618.64, 130,451.88 and 77,559.44 is: 106,932.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,618.64 : 130,451.88 = 77,559.44 : x
  2. Step 2: Convert to fraction form
    94,618.64/130,451.88 = 77,559.44/x
  3. Step 3: Cross multiply
    94,618.64x = 130,451.88 × 77,559.44
  4. Step 4: Simplify right side
    94,618.64x = 10,117,774,759.75
  5. Step 5: Solve for x
    x = 10,117,774,759.75/94,618.64
  6. Step 6: Final answer
    x = 106,932.15

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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.