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Finding the Fourth Proportional to 273,697.02, 377,698.32 and 152,840.43

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Solution

The fourth proportional to 273,697.02, 377,698.32 and 152,840.43 is: 210,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,697.02 : 377,698.32 = 152,840.43 : x
  2. Step 2: Convert to fraction form
    273,697.02/377,698.32 = 152,840.43/x
  3. Step 3: Cross multiply
    273,697.02x = 377,698.32 × 152,840.43
  4. Step 4: Simplify right side
    273,697.02x = 57,727,573,639.08
  5. Step 5: Solve for x
    x = 57,727,573,639.08/273,697.02
  6. Step 6: Final answer
    x = 210,917.80

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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.