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Finding the Fourth Proportional to 194,967.60, 292,451.40 and 127,316.40

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Solution

The fourth proportional to 194,967.60, 292,451.40 and 127,316.40 is: 190,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,967.60 : 292,451.40 = 127,316.40 : x
  2. Step 2: Convert to fraction form
    194,967.60/292,451.40 = 127,316.40/x
  3. Step 3: Cross multiply
    194,967.60x = 292,451.40 × 127,316.40
  4. Step 4: Simplify right side
    194,967.60x = 37,233,859,422.96
  5. Step 5: Solve for x
    x = 37,233,859,422.96/194,967.60
  6. Step 6: Final answer
    x = 190,974.60

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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.