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Finding the Fourth Proportional to 127,187.85, 190,785.84 and 63,973.45

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Solution

The fourth proportional to 127,187.85, 190,785.84 and 63,973.45 is: 95,962.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,187.85 : 190,785.84 = 63,973.45 : x
  2. Step 2: Convert to fraction form
    127,187.85/190,785.84 = 63,973.45/x
  3. Step 3: Cross multiply
    127,187.85x = 190,785.84 × 63,973.45
  4. Step 4: Simplify right side
    127,187.85x = 12,205,229,380.93
  5. Step 5: Solve for x
    x = 12,205,229,380.93/127,187.85
  6. Step 6: Final answer
    x = 95,962.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.