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Finding the Fourth Proportional to 273,377.56, 377,261.27 and 152,518.87

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Solution

The fourth proportional to 273,377.56, 377,261.27 and 152,518.87 is: 210,476.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,377.56 : 377,261.27 = 152,518.87 : x
  2. Step 2: Convert to fraction form
    273,377.56/377,261.27 = 152,518.87/x
  3. Step 3: Cross multiply
    273,377.56x = 377,261.27 × 152,518.87
  4. Step 4: Simplify right side
    273,377.56x = 57,539,462,595.16
  5. Step 5: Solve for x
    x = 57,539,462,595.16/273,377.56
  6. Step 6: Final answer
    x = 210,476.17

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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.