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Finding the Fourth Proportional to 88,980.82, 122,807.34 and 50,740.45

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Solution

The fourth proportional to 88,980.82, 122,807.34 and 50,740.45 is: 70,029.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,980.82 : 122,807.34 = 50,740.45 : x
  2. Step 2: Convert to fraction form
    88,980.82/122,807.34 = 50,740.45/x
  3. Step 3: Cross multiply
    88,980.82x = 122,807.34 × 50,740.45
  4. Step 4: Simplify right side
    88,980.82x = 6,231,299,387.88
  5. Step 5: Solve for x
    x = 6,231,299,387.88/88,980.82
  6. Step 6: Final answer
    x = 70,029.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.