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Finding the Fourth Proportional to 185,053.88, 277,539.28 and 85,118.08

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Solution

The fourth proportional to 185,053.88, 277,539.28 and 85,118.08 is: 127,658.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,053.88 : 277,539.28 = 85,118.08 : x
  2. Step 2: Convert to fraction form
    185,053.88/277,539.28 = 85,118.08/x
  3. Step 3: Cross multiply
    185,053.88x = 277,539.28 × 85,118.08
  4. Step 4: Simplify right side
    185,053.88x = 23,623,610,638.18
  5. Step 5: Solve for x
    x = 23,623,610,638.18/185,053.88
  6. Step 6: Final answer
    x = 127,658.01

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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.