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Finding the Fourth Proportional to 153,759.44, 230,648.88 and 64,996.40

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Solution

The fourth proportional to 153,759.44, 230,648.88 and 64,996.40 is: 97,498.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,759.44 : 230,648.88 = 64,996.40 : x
  2. Step 2: Convert to fraction form
    153,759.44/230,648.88 = 64,996.40/x
  3. Step 3: Cross multiply
    153,759.44x = 230,648.88 × 64,996.40
  4. Step 4: Simplify right side
    153,759.44x = 14,991,346,864.03
  5. Step 5: Solve for x
    x = 14,991,346,864.03/153,759.44
  6. Step 6: Final answer
    x = 97,498.71

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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.