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Finding the Fourth Proportional to 94,806.68, 142,230.53 and 28,252.17

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Solution

The fourth proportional to 94,806.68, 142,230.53 and 28,252.17 is: 42,384.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,806.68 : 142,230.53 = 28,252.17 : x
  2. Step 2: Convert to fraction form
    94,806.68/142,230.53 = 28,252.17/x
  3. Step 3: Cross multiply
    94,806.68x = 142,230.53 × 28,252.17
  4. Step 4: Simplify right side
    94,806.68x = 4,018,320,971.49
  5. Step 5: Solve for x
    x = 4,018,320,971.49/94,806.68
  6. Step 6: Final answer
    x = 42,384.37

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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.