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Finding the Fourth Proportional to 153,122.76, 229,750.02 and 53,228.57

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Solution

The fourth proportional to 153,122.76, 229,750.02 and 53,228.57 is: 79,865.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,122.76 : 229,750.02 = 53,228.57 : x
  2. Step 2: Convert to fraction form
    153,122.76/229,750.02 = 53,228.57/x
  3. Step 3: Cross multiply
    153,122.76x = 229,750.02 × 53,228.57
  4. Step 4: Simplify right side
    153,122.76x = 12,229,263,873.32
  5. Step 5: Solve for x
    x = 12,229,263,873.32/153,122.76
  6. Step 6: Final answer
    x = 79,865.75

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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.