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Finding the Fourth Proportional to 273,292.81, 377,143.10 and 152,434.00

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Solution

The fourth proportional to 273,292.81, 377,143.10 and 152,434.00 is: 210,358.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,292.81 : 377,143.10 = 152,434.00 : x
  2. Step 2: Convert to fraction form
    273,292.81/377,143.10 = 152,434.00/x
  3. Step 3: Cross multiply
    273,292.81x = 377,143.10 × 152,434.00
  4. Step 4: Simplify right side
    273,292.81x = 57,489,431,586.29
  5. Step 5: Solve for x
    x = 57,489,431,586.29/273,292.81
  6. Step 6: Final answer
    x = 210,358.38

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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.