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Finding the Fourth Proportional to 175,765.76, 242,558.88 and 99,288.80

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Solution

The fourth proportional to 175,765.76, 242,558.88 and 99,288.80 is: 137,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,765.76 : 242,558.88 = 99,288.80 : x
  2. Step 2: Convert to fraction form
    175,765.76/242,558.88 = 99,288.80/x
  3. Step 3: Cross multiply
    175,765.76x = 242,558.88 × 99,288.80
  4. Step 4: Simplify right side
    175,765.76x = 24,083,380,124.54
  5. Step 5: Solve for x
    x = 24,083,380,124.54/175,765.76
  6. Step 6: Final answer
    x = 137,019.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.