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Finding the Fourth Proportional to 185,409.08, 277,948.68 and 67,054.11

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Solution

The fourth proportional to 185,409.08, 277,948.68 and 67,054.11 is: 100,521.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,409.08 : 277,948.68 = 67,054.11 : x
  2. Step 2: Convert to fraction form
    185,409.08/277,948.68 = 67,054.11/x
  3. Step 3: Cross multiply
    185,409.08x = 277,948.68 × 67,054.11
  4. Step 4: Simplify right side
    185,409.08x = 18,637,599,973.33
  5. Step 5: Solve for x
    x = 18,637,599,973.33/185,409.08
  6. Step 6: Final answer
    x = 100,521.51

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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.