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Finding the Fourth Proportional to 117,248.18, 175,870.74 and 28,501.44

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Solution

The fourth proportional to 117,248.18, 175,870.74 and 28,501.44 is: 42,751.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,248.18 : 175,870.74 = 28,501.44 : x
  2. Step 2: Convert to fraction form
    117,248.18/175,870.74 = 28,501.44/x
  3. Step 3: Cross multiply
    117,248.18x = 175,870.74 × 28,501.44
  4. Step 4: Simplify right side
    117,248.18x = 5,012,569,343.87
  5. Step 5: Solve for x
    x = 5,012,569,343.87/117,248.18
  6. Step 6: Final answer
    x = 42,751.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.