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Finding the Fourth Proportional to 94,213.28, 130,020.12 and 53,926.11

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Solution

The fourth proportional to 94,213.28, 130,020.12 and 53,926.11 is: 74,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,213.28 : 130,020.12 = 53,926.11 : x
  2. Step 2: Convert to fraction form
    94,213.28/130,020.12 = 53,926.11/x
  3. Step 3: Cross multiply
    94,213.28x = 130,020.12 × 53,926.11
  4. Step 4: Simplify right side
    94,213.28x = 7,011,479,293.33
  5. Step 5: Solve for x
    x = 7,011,479,293.33/94,213.28
  6. Step 6: Final answer
    x = 74,421.35

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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.