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Finding the Fourth Proportional to 273,258.80, 377,099.28 and 152,407.76

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Solution

The fourth proportional to 273,258.80, 377,099.28 and 152,407.76 is: 210,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,258.80 : 377,099.28 = 152,407.76 : x
  2. Step 2: Convert to fraction form
    273,258.80/377,099.28 = 152,407.76/x
  3. Step 3: Cross multiply
    273,258.80x = 377,099.28 × 152,407.76
  4. Step 4: Simplify right side
    273,258.80x = 57,472,856,562.41
  5. Step 5: Solve for x
    x = 57,472,856,562.41/273,258.80
  6. Step 6: Final answer
    x = 210,323.90

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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.