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Finding the Fourth Proportional to 141,635.88, 195,454.08 and 77,973.12

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Solution

The fourth proportional to 141,635.88, 195,454.08 and 77,973.12 is: 107,601.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,635.88 : 195,454.08 = 77,973.12 : x
  2. Step 2: Convert to fraction form
    141,635.88/195,454.08 = 77,973.12/x
  3. Step 3: Cross multiply
    141,635.88x = 195,454.08 × 77,973.12
  4. Step 4: Simplify right side
    141,635.88x = 15,240,164,434.33
  5. Step 5: Solve for x
    x = 15,240,164,434.33/141,635.88
  6. Step 6: Final answer
    x = 107,601.01

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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.