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Finding the Fourth Proportional to 175,432.80, 263,440.80 and 96,603.60

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Solution

The fourth proportional to 175,432.80, 263,440.80 and 96,603.60 is: 145,065.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,432.80 : 263,440.80 = 96,603.60 : x
  2. Step 2: Convert to fraction form
    175,432.80/263,440.80 = 96,603.60/x
  3. Step 3: Cross multiply
    175,432.80x = 263,440.80 × 96,603.60
  4. Step 4: Simplify right side
    175,432.80x = 25,449,329,666.88
  5. Step 5: Solve for x
    x = 25,449,329,666.88/175,432.80
  6. Step 6: Final answer
    x = 145,065.97

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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.