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Finding the Fourth Proportional to 185,065.76, 277,600.90 and 65,126.28

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Solution

The fourth proportional to 185,065.76, 277,600.90 and 65,126.28 is: 97,690.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,065.76 : 277,600.90 = 65,126.28 : x
  2. Step 2: Convert to fraction form
    185,065.76/277,600.90 = 65,126.28/x
  3. Step 3: Cross multiply
    185,065.76x = 277,600.90 × 65,126.28
  4. Step 4: Simplify right side
    185,065.76x = 18,079,113,941.65
  5. Step 5: Solve for x
    x = 18,079,113,941.65/185,065.76
  6. Step 6: Final answer
    x = 97,690.22

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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.