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Finding the Fourth Proportional to 158,754.25, 238,131.38 and 47,946.25

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Solution

The fourth proportional to 158,754.25, 238,131.38 and 47,946.25 is: 71,919.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,754.25 : 238,131.38 = 47,946.25 : x
  2. Step 2: Convert to fraction form
    158,754.25/238,131.38 = 47,946.25/x
  3. Step 3: Cross multiply
    158,754.25x = 238,131.38 × 47,946.25
  4. Step 4: Simplify right side
    158,754.25x = 11,417,506,678.33
  5. Step 5: Solve for x
    x = 11,417,506,678.33/158,754.25
  6. Step 6: Final answer
    x = 71,919.38

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1.5x scale

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.