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Finding the Fourth Proportional to 185,280.13, 277,918.17 and 45,038.89

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Solution

The fourth proportional to 185,280.13, 277,918.17 and 45,038.89 is: 67,557.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,280.13 : 277,918.17 = 45,038.89 : x
  2. Step 2: Convert to fraction form
    185,280.13/277,918.17 = 45,038.89/x
  3. Step 3: Cross multiply
    185,280.13x = 277,918.17 × 45,038.89
  4. Step 4: Simplify right side
    185,280.13x = 12,517,125,887.63
  5. Step 5: Solve for x
    x = 12,517,125,887.63/185,280.13
  6. Step 6: Final answer
    x = 67,557.84

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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.