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Finding the Fourth Proportional to 92,763.89, 128,014.42 and 50,322.42

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Solution

The fourth proportional to 92,763.89, 128,014.42 and 50,322.42 is: 69,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,763.89 : 128,014.42 = 50,322.42 : x
  2. Step 2: Convert to fraction form
    92,763.89/128,014.42 = 50,322.42/x
  3. Step 3: Cross multiply
    92,763.89x = 128,014.42 × 50,322.42
  4. Step 4: Simplify right side
    92,763.89x = 6,441,995,596.35
  5. Step 5: Solve for x
    x = 6,441,995,596.35/92,763.89
  6. Step 6: Final answer
    x = 69,445.08

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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.