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Finding the Fourth Proportional to 153,566.40, 230,349.60 and 100,422.30

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Solution

The fourth proportional to 153,566.40, 230,349.60 and 100,422.30 is: 150,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,566.40 : 230,349.60 = 100,422.30 : x
  2. Step 2: Convert to fraction form
    153,566.40/230,349.60 = 100,422.30/x
  3. Step 3: Cross multiply
    153,566.40x = 230,349.60 × 100,422.30
  4. Step 4: Simplify right side
    153,566.40x = 23,132,236,636.08
  5. Step 5: Solve for x
    x = 23,132,236,636.08/153,566.40
  6. Step 6: Final answer
    x = 150,633.45

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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.