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Finding the Fourth Proportional to 273,848.40, 377,873.40 and 152,974.74

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Solution

The fourth proportional to 273,848.40, 377,873.40 and 152,974.74 is: 211,084.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,848.40 : 377,873.40 = 152,974.74 : x
  2. Step 2: Convert to fraction form
    273,848.40/377,873.40 = 152,974.74/x
  3. Step 3: Cross multiply
    273,848.40x = 377,873.40 × 152,974.74
  4. Step 4: Simplify right side
    273,848.40x = 57,805,085,117.92
  5. Step 5: Solve for x
    x = 57,805,085,117.92/273,848.40
  6. Step 6: Final answer
    x = 211,084.25

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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.