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Finding the Fourth Proportional to 127,195.08, 190,796.76 and 63,980.76

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Solution

The fourth proportional to 127,195.08, 190,796.76 and 63,980.76 is: 95,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,195.08 : 190,796.76 = 63,980.76 : x
  2. Step 2: Convert to fraction form
    127,195.08/190,796.76 = 63,980.76/x
  3. Step 3: Cross multiply
    127,195.08x = 190,796.76 × 63,980.76
  4. Step 4: Simplify right side
    127,195.08x = 12,207,321,710.34
  5. Step 5: Solve for x
    x = 12,207,321,710.34/127,195.08
  6. Step 6: Final answer
    x = 95,973.22

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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.