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Finding the Fourth Proportional to 109,056.96, 150,500.16 and 64,344.96

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Solution

The fourth proportional to 109,056.96, 150,500.16 and 64,344.96 is: 88,796.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,056.96 : 150,500.16 = 64,344.96 : x
  2. Step 2: Convert to fraction form
    109,056.96/150,500.16 = 64,344.96/x
  3. Step 3: Cross multiply
    109,056.96x = 150,500.16 × 64,344.96
  4. Step 4: Simplify right side
    109,056.96x = 9,683,926,775.19
  5. Step 5: Solve for x
    x = 9,683,926,775.19/109,056.96
  6. Step 6: Final answer
    x = 88,796.96

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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.