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Finding the Fourth Proportional to 185,409, 277,948.56 and 67,054.04

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Solution

The fourth proportional to 185,409, 277,948.56 and 67,054.04 is: 100,521.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,409 : 277,948.56 = 67,054.04 : x
  2. Step 2: Convert to fraction form
    185,409/277,948.56 = 67,054.04/x
  3. Step 3: Cross multiply
    185,409x = 277,948.56 × 67,054.04
  4. Step 4: Simplify right side
    185,409x = 18,637,572,470.44
  5. Step 5: Solve for x
    x = 18,637,572,470.44/185,409
  6. Step 6: Final answer
    x = 100,521.40

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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.