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Finding the Fourth Proportional to 273,552.56, 377,565.51 and 160,411.76

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Solution

The fourth proportional to 273,552.56, 377,565.51 and 160,411.76 is: 221,405.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,552.56 : 377,565.51 = 160,411.76 : x
  2. Step 2: Convert to fraction form
    273,552.56/377,565.51 = 160,411.76/x
  3. Step 3: Cross multiply
    273,552.56x = 377,565.51 × 160,411.76
  4. Step 4: Simplify right side
    273,552.56x = 60,565,947,974.40
  5. Step 5: Solve for x
    x = 60,565,947,974.40/273,552.56
  6. Step 6: Final answer
    x = 221,405.16

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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.