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Finding the Fourth Proportional to 127,066.40, 190,600.25 and 42,827.29

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Solution

The fourth proportional to 127,066.40, 190,600.25 and 42,827.29 is: 64,241.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,066.40 : 190,600.25 = 42,827.29 : x
  2. Step 2: Convert to fraction form
    127,066.40/190,600.25 = 42,827.29/x
  3. Step 3: Cross multiply
    127,066.40x = 190,600.25 × 42,827.29
  4. Step 4: Simplify right side
    127,066.40x = 8,162,891,013.68
  5. Step 5: Solve for x
    x = 8,162,891,013.68/127,066.40
  6. Step 6: Final answer
    x = 64,241.15

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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.