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Finding the Fourth Proportional to 185,064.75, 277,599.40 and 65,125.28

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Solution

The fourth proportional to 185,064.75, 277,599.40 and 65,125.28 is: 97,688.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,064.75 : 277,599.40 = 65,125.28 : x
  2. Step 2: Convert to fraction form
    185,064.75/277,599.40 = 65,125.28/x
  3. Step 3: Cross multiply
    185,064.75x = 277,599.40 × 65,125.28
  4. Step 4: Simplify right side
    185,064.75x = 18,078,738,652.83
  5. Step 5: Solve for x
    x = 18,078,738,652.83/185,064.75
  6. Step 6: Final answer
    x = 97,688.72

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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.