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Finding the Fourth Proportional to 158,878.16, 237,952.74 and 92,152.79

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Solution

The fourth proportional to 158,878.16, 237,952.74 and 92,152.79 is: 138,017.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,878.16 : 237,952.74 = 92,152.79 : x
  2. Step 2: Convert to fraction form
    158,878.16/237,952.74 = 92,152.79/x
  3. Step 3: Cross multiply
    158,878.16x = 237,952.74 × 92,152.79
  4. Step 4: Simplify right side
    158,878.16x = 21,928,008,879.14
  5. Step 5: Solve for x
    x = 21,928,008,879.14/158,878.16
  6. Step 6: Final answer
    x = 138,017.77

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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.