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Finding the Fourth Proportional to 70,701.72, 106,030.04 and 23,307.98

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Solution

The fourth proportional to 70,701.72, 106,030.04 and 23,307.98 is: 34,954.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,701.72 : 106,030.04 = 23,307.98 : x
  2. Step 2: Convert to fraction form
    70,701.72/106,030.04 = 23,307.98/x
  3. Step 3: Cross multiply
    70,701.72x = 106,030.04 × 23,307.98
  4. Step 4: Simplify right side
    70,701.72x = 2,471,345,405.03
  5. Step 5: Solve for x
    x = 2,471,345,405.03/70,701.72
  6. Step 6: Final answer
    x = 34,954.53

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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.