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Finding the Fourth Proportional to 178,751.40, 268,035.40 and 94,557

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Solution

The fourth proportional to 178,751.40, 268,035.40 and 94,557 is: 141,786.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,751.40 : 268,035.40 = 94,557 : x
  2. Step 2: Convert to fraction form
    178,751.40/268,035.40 = 94,557/x
  3. Step 3: Cross multiply
    178,751.40x = 268,035.40 × 94,557
  4. Step 4: Simplify right side
    178,751.40x = 25,344,623,317.80
  5. Step 5: Solve for x
    x = 25,344,623,317.80/178,751.40
  6. Step 6: Final answer
    x = 141,786.99

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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.