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Finding the Fourth Proportional to 272,018.61, 408,027.61 and 94,525.64

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Solution

The fourth proportional to 272,018.61, 408,027.61 and 94,525.64 is: 141,788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,018.61 : 408,027.61 = 94,525.64 : x
  2. Step 2: Convert to fraction form
    272,018.61/408,027.61 = 94,525.64/x
  3. Step 3: Cross multiply
    272,018.61x = 408,027.61 × 94,525.64
  4. Step 4: Simplify right side
    272,018.61x = 38,569,070,972.92
  5. Step 5: Solve for x
    x = 38,569,070,972.92/272,018.61
  6. Step 6: Final answer
    x = 141,788.35

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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.