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Finding the Fourth Proportional to 127,340.60, 191,214.90 and 101,262.20

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Solution

The fourth proportional to 127,340.60, 191,214.90 and 101,262.20 is: 152,055.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,340.60 : 191,214.90 = 101,262.20 : x
  2. Step 2: Convert to fraction form
    127,340.60/191,214.90 = 101,262.20/x
  3. Step 3: Cross multiply
    127,340.60x = 191,214.90 × 101,262.20
  4. Step 4: Simplify right side
    127,340.60x = 19,362,841,446.78
  5. Step 5: Solve for x
    x = 19,362,841,446.78/127,340.60
  6. Step 6: Final answer
    x = 152,055.52

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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.