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Finding the Fourth Proportional to 70,767.95, 106,177.46 and 35,681.18

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Solution

The fourth proportional to 70,767.95, 106,177.46 and 35,681.18 is: 53,534.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,767.95 : 106,177.46 = 35,681.18 : x
  2. Step 2: Convert to fraction form
    70,767.95/106,177.46 = 35,681.18/x
  3. Step 3: Cross multiply
    70,767.95x = 106,177.46 × 35,681.18
  4. Step 4: Simplify right side
    70,767.95x = 3,788,536,352.91
  5. Step 5: Solve for x
    x = 3,788,536,352.91/70,767.95
  6. Step 6: Final answer
    x = 53,534.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.