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Finding the Fourth Proportional to 118,023.16, 177,087.06 and 61,849.91

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Solution

The fourth proportional to 118,023.16, 177,087.06 and 61,849.91 is: 92,802.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,023.16 : 177,087.06 = 61,849.91 : x
  2. Step 2: Convert to fraction form
    118,023.16/177,087.06 = 61,849.91/x
  3. Step 3: Cross multiply
    118,023.16x = 177,087.06 × 61,849.91
  4. Step 4: Simplify right side
    118,023.16x = 10,952,818,429.78
  5. Step 5: Solve for x
    x = 10,952,818,429.78/118,023.16
  6. Step 6: Final answer
    x = 92,802.28

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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.