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Finding the Fourth Proportional to 158,800.50, 238,200.75 and 47,992.50

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Solution

The fourth proportional to 158,800.50, 238,200.75 and 47,992.50 is: 71,988.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,800.50 : 238,200.75 = 47,992.50 : x
  2. Step 2: Convert to fraction form
    158,800.50/238,200.75 = 47,992.50/x
  3. Step 3: Cross multiply
    158,800.50x = 238,200.75 × 47,992.50
  4. Step 4: Simplify right side
    158,800.50x = 11,431,849,494.38
  5. Step 5: Solve for x
    x = 11,431,849,494.38/158,800.50
  6. Step 6: Final answer
    x = 71,988.75

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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.