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Finding the Fourth Proportional to 185,616.16, 278,473.44 and 67,304.93

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Solution

The fourth proportional to 185,616.16, 278,473.44 and 67,304.93 is: 100,975.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,616.16 : 278,473.44 = 67,304.93 : x
  2. Step 2: Convert to fraction form
    185,616.16/278,473.44 = 67,304.93/x
  3. Step 3: Cross multiply
    185,616.16x = 278,473.44 × 67,304.93
  4. Step 4: Simplify right side
    185,616.16x = 18,742,634,246.09
  5. Step 5: Solve for x
    x = 18,742,634,246.09/185,616.16
  6. Step 6: Final answer
    x = 100,975.23

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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.