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Finding the Fourth Proportional to 273,528.99, 377,489.03 and 152,693.87

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Solution

The fourth proportional to 273,528.99, 377,489.03 and 152,693.87 is: 210,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,528.99 : 377,489.03 = 152,693.87 : x
  2. Step 2: Convert to fraction form
    273,528.99/377,489.03 = 152,693.87/x
  3. Step 3: Cross multiply
    273,528.99x = 377,489.03 × 152,693.87
  4. Step 4: Simplify right side
    273,528.99x = 57,640,258,222.33
  5. Step 5: Solve for x
    x = 57,640,258,222.33/273,528.99
  6. Step 6: Final answer
    x = 210,728.15

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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.