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Finding the Fourth Proportional to 227,398.43, 341,132.74 and 77,603.67

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Solution

The fourth proportional to 227,398.43, 341,132.74 and 77,603.67 is: 116,417.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,398.43 : 341,132.74 = 77,603.67 : x
  2. Step 2: Convert to fraction form
    227,398.43/341,132.74 = 77,603.67/x
  3. Step 3: Cross multiply
    227,398.43x = 341,132.74 × 77,603.67
  4. Step 4: Simplify right side
    227,398.43x = 26,473,152,387.15
  5. Step 5: Solve for x
    x = 26,473,152,387.15/227,398.43
  6. Step 6: Final answer
    x = 116,417.48

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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.