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Finding the Fourth Proportional to 194,987.30, 292,043.55 and 159,995.30

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Solution

The fourth proportional to 194,987.30, 292,043.55 and 159,995.30 is: 239,634.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,987.30 : 292,043.55 = 159,995.30 : x
  2. Step 2: Convert to fraction form
    194,987.30/292,043.55 = 159,995.30/x
  3. Step 3: Cross multiply
    194,987.30x = 292,043.55 × 159,995.30
  4. Step 4: Simplify right side
    194,987.30x = 46,725,595,395.32
  5. Step 5: Solve for x
    x = 46,725,595,395.32/194,987.30
  6. Step 6: Final answer
    x = 239,634.04

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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.