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Finding the Fourth Proportional to 70,927.95, 106,425.72 and 44,266.71

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Solution

The fourth proportional to 70,927.95, 106,425.72 and 44,266.71 is: 66,421.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,927.95 : 106,425.72 = 44,266.71 : x
  2. Step 2: Convert to fraction form
    70,927.95/106,425.72 = 44,266.71/x
  3. Step 3: Cross multiply
    70,927.95x = 106,425.72 × 44,266.71
  4. Step 4: Simplify right side
    70,927.95x = 4,711,116,483.78
  5. Step 5: Solve for x
    x = 4,711,116,483.78/70,927.95
  6. Step 6: Final answer
    x = 66,421.16

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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.