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Finding the Fourth Proportional to 194,987.70, 292,287.15 and 89,622.90

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Solution

The fourth proportional to 194,987.70, 292,287.15 and 89,622.90 is: 134,345.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,987.70 : 292,287.15 = 89,622.90 : x
  2. Step 2: Convert to fraction form
    194,987.70/292,287.15 = 89,622.90/x
  3. Step 3: Cross multiply
    194,987.70x = 292,287.15 × 89,622.90
  4. Step 4: Simplify right side
    194,987.70x = 26,195,622,015.74
  5. Step 5: Solve for x
    x = 26,195,622,015.74/194,987.70
  6. Step 6: Final answer
    x = 134,345.00

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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.