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Finding the Fourth Proportional to 248,207.29, 372,333.71 and 77,429.93

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Solution

The fourth proportional to 248,207.29, 372,333.71 and 77,429.93 is: 116,151.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,207.29 : 372,333.71 = 77,429.93 : x
  2. Step 2: Convert to fraction form
    248,207.29/372,333.71 = 77,429.93/x
  3. Step 3: Cross multiply
    248,207.29x = 372,333.71 × 77,429.93
  4. Step 4: Simplify right side
    248,207.29x = 28,829,771,433.85
  5. Step 5: Solve for x
    x = 28,829,771,433.85/248,207.29
  6. Step 6: Final answer
    x = 116,151.99

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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.