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Finding the Fourth Proportional to 185,148.18, 277,350.48 and 85,168.80

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Solution

The fourth proportional to 185,148.18, 277,350.48 and 85,168.80 is: 127,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,148.18 : 277,350.48 = 85,168.80 : x
  2. Step 2: Convert to fraction form
    185,148.18/277,350.48 = 85,168.80/x
  3. Step 3: Cross multiply
    185,148.18x = 277,350.48 × 85,168.80
  4. Step 4: Simplify right side
    185,148.18x = 23,621,607,561.02
  5. Step 5: Solve for x
    x = 23,621,607,561.02/185,148.18
  6. Step 6: Final answer
    x = 127,582.18

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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.