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Finding the Fourth Proportional to 194,713.60, 292,070.40 and 119,918.20

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Solution

The fourth proportional to 194,713.60, 292,070.40 and 119,918.20 is: 179,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,713.60 : 292,070.40 = 119,918.20 : x
  2. Step 2: Convert to fraction form
    194,713.60/292,070.40 = 119,918.20/x
  3. Step 3: Cross multiply
    194,713.60x = 292,070.40 × 119,918.20
  4. Step 4: Simplify right side
    194,713.60x = 35,024,556,641.28
  5. Step 5: Solve for x
    x = 35,024,556,641.28/194,713.60
  6. Step 6: Final answer
    x = 179,877.30

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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.