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Finding the Fourth Proportional to 273,878.48, 377,914.72 and 153,004.74

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Solution

The fourth proportional to 273,878.48, 377,914.72 and 153,004.74 is: 211,125.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,878.48 : 377,914.72 = 153,004.74 : x
  2. Step 2: Convert to fraction form
    273,878.48/377,914.72 = 153,004.74/x
  3. Step 3: Cross multiply
    273,878.48x = 377,914.72 × 153,004.74
  4. Step 4: Simplify right side
    273,878.48x = 57,822,743,475.77
  5. Step 5: Solve for x
    x = 57,822,743,475.77/273,878.48
  6. Step 6: Final answer
    x = 211,125.55

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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.