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Finding the Fourth Proportional to 173,312.64, 239,147.91 and 96,822.32

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Solution

The fourth proportional to 173,312.64, 239,147.91 and 96,822.32 is: 133,601.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,312.64 : 239,147.91 = 96,822.32 : x
  2. Step 2: Convert to fraction form
    173,312.64/239,147.91 = 96,822.32/x
  3. Step 3: Cross multiply
    173,312.64x = 239,147.91 × 96,822.32
  4. Step 4: Simplify right side
    173,312.64x = 23,154,854,273.61
  5. Step 5: Solve for x
    x = 23,154,854,273.61/173,312.64
  6. Step 6: Final answer
    x = 133,601.65

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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.