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Finding the Fourth Proportional to 160,279.61, 240,330.54 and 65,576.23

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Solution

The fourth proportional to 160,279.61, 240,330.54 and 65,576.23 is: 98,327.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,279.61 : 240,330.54 = 65,576.23 : x
  2. Step 2: Convert to fraction form
    160,279.61/240,330.54 = 65,576.23/x
  3. Step 3: Cross multiply
    160,279.61x = 240,330.54 × 65,576.23
  4. Step 4: Simplify right side
    160,279.61x = 15,759,971,764.01
  5. Step 5: Solve for x
    x = 15,759,971,764.01/160,279.61
  6. Step 6: Final answer
    x = 98,327.99

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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.