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Finding the Fourth Proportional to 175,870.66, 263,803.60 and 42,750.52

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Solution

The fourth proportional to 175,870.66, 263,803.60 and 42,750.52 is: 64,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,870.66 : 263,803.60 = 42,750.52 : x
  2. Step 2: Convert to fraction form
    175,870.66/263,803.60 = 42,750.52/x
  3. Step 3: Cross multiply
    175,870.66x = 263,803.60 × 42,750.52
  4. Step 4: Simplify right side
    175,870.66x = 11,277,741,077.87
  5. Step 5: Solve for x
    x = 11,277,741,077.87/175,870.66
  6. Step 6: Final answer
    x = 64,125.20

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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.