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Finding the Fourth Proportional to 153,967.70, 230,836.35 and 83,926.10

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Solution

The fourth proportional to 153,967.70, 230,836.35 and 83,926.10 is: 125,826.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,967.70 : 230,836.35 = 83,926.10 : x
  2. Step 2: Convert to fraction form
    153,967.70/230,836.35 = 83,926.10/x
  3. Step 3: Cross multiply
    153,967.70x = 230,836.35 × 83,926.10
  4. Step 4: Simplify right side
    153,967.70x = 19,373,194,593.74
  5. Step 5: Solve for x
    x = 19,373,194,593.74/153,967.70
  6. Step 6: Final answer
    x = 125,826.36

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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.