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Finding the Fourth Proportional to 173,076, 238,870.80 and 106,046.88

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Solution

The fourth proportional to 173,076, 238,870.80 and 106,046.88 is: 146,360.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,076 : 238,870.80 = 106,046.88 : x
  2. Step 2: Convert to fraction form
    173,076/238,870.80 = 106,046.88/x
  3. Step 3: Cross multiply
    173,076x = 238,870.80 × 106,046.88
  4. Step 4: Simplify right side
    173,076x = 25,331,503,063.10
  5. Step 5: Solve for x
    x = 25,331,503,063.10/173,076
  6. Step 6: Final answer
    x = 146,360.58

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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.