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Finding the Fourth Proportional to 274,280.16, 411,272.28 and 124,438.67

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Solution

The fourth proportional to 274,280.16, 411,272.28 and 124,438.67 is: 186,590.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,280.16 : 411,272.28 = 124,438.67 : x
  2. Step 2: Convert to fraction form
    274,280.16/411,272.28 = 124,438.67/x
  3. Step 3: Cross multiply
    274,280.16x = 411,272.28 × 124,438.67
  4. Step 4: Simplify right side
    274,280.16x = 51,178,175,531.07
  5. Step 5: Solve for x
    x = 51,178,175,531.07/274,280.16
  6. Step 6: Final answer
    x = 186,590.88

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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.