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Finding the Fourth Proportional to 185,293.66, 277,939.68 and 45,053.50

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Solution

The fourth proportional to 185,293.66, 277,939.68 and 45,053.50 is: 67,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,293.66 : 277,939.68 = 45,053.50 : x
  2. Step 2: Convert to fraction form
    185,293.66/277,939.68 = 45,053.50/x
  3. Step 3: Cross multiply
    185,293.66x = 277,939.68 × 45,053.50
  4. Step 4: Simplify right side
    185,293.66x = 12,522,155,372.88
  5. Step 5: Solve for x
    x = 12,522,155,372.88/185,293.66
  6. Step 6: Final answer
    x = 67,580.05

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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.