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Finding the Fourth Proportional to 173,373.64, 238,889.46 and 154,305.16

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Solution

The fourth proportional to 173,373.64, 238,889.46 and 154,305.16 is: 212,615.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,373.64 : 238,889.46 = 154,305.16 : x
  2. Step 2: Convert to fraction form
    173,373.64/238,889.46 = 154,305.16/x
  3. Step 3: Cross multiply
    173,373.64x = 238,889.46 × 154,305.16
  4. Step 4: Simplify right side
    173,373.64x = 36,861,876,347.61
  5. Step 5: Solve for x
    x = 36,861,876,347.61/173,373.64
  6. Step 6: Final answer
    x = 212,615.23

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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.