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Finding the Fourth Proportional to 70,836.19, 106,228.76 and 23,442.53

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Solution

The fourth proportional to 70,836.19, 106,228.76 and 23,442.53 is: 35,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,836.19 : 106,228.76 = 23,442.53 : x
  2. Step 2: Convert to fraction form
    70,836.19/106,228.76 = 23,442.53/x
  3. Step 3: Cross multiply
    70,836.19x = 106,228.76 × 23,442.53
  4. Step 4: Simplify right side
    70,836.19x = 2,490,270,893.16
  5. Step 5: Solve for x
    x = 2,490,270,893.16/70,836.19
  6. Step 6: Final answer
    x = 35,155.35

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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.