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Finding the Fourth Proportional to 273,693.18, 377,698.42 and 152,835.90

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Solution

The fourth proportional to 273,693.18, 377,698.42 and 152,835.90 is: 210,914.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,693.18 : 377,698.42 = 152,835.90 : x
  2. Step 2: Convert to fraction form
    273,693.18/377,698.42 = 152,835.90/x
  3. Step 3: Cross multiply
    273,693.18x = 377,698.42 × 152,835.90
  4. Step 4: Simplify right side
    273,693.18x = 57,725,877,949.28
  5. Step 5: Solve for x
    x = 57,725,877,949.28/273,693.18
  6. Step 6: Final answer
    x = 210,914.56

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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.