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Finding the Fourth Proportional to 88,561.90, 122,214.99 and 50,835.34

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Solution

The fourth proportional to 88,561.90, 122,214.99 and 50,835.34 is: 70,152.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,561.90 : 122,214.99 = 50,835.34 : x
  2. Step 2: Convert to fraction form
    88,561.90/122,214.99 = 50,835.34/x
  3. Step 3: Cross multiply
    88,561.90x = 122,214.99 × 50,835.34
  4. Step 4: Simplify right side
    88,561.90x = 6,212,840,569.75
  5. Step 5: Solve for x
    x = 6,212,840,569.75/88,561.90
  6. Step 6: Final answer
    x = 70,152.52

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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.