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Finding the Fourth Proportional to 88,114.50, 121,598.01 and 50,388.75

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Solution

The fourth proportional to 88,114.50, 121,598.01 and 50,388.75 is: 69,536.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,114.50 : 121,598.01 = 50,388.75 : x
  2. Step 2: Convert to fraction form
    88,114.50/121,598.01 = 50,388.75/x
  3. Step 3: Cross multiply
    88,114.50x = 121,598.01 × 50,388.75
  4. Step 4: Simplify right side
    88,114.50x = 6,127,171,726.39
  5. Step 5: Solve for x
    x = 6,127,171,726.39/88,114.50
  6. Step 6: Final answer
    x = 69,536.48

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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.