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Finding the Fourth Proportional to 69,007.49, 103,345.13 and 46,753.40

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Solution

The fourth proportional to 69,007.49, 103,345.13 and 46,753.40 is: 70,017.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,007.49 : 103,345.13 = 46,753.40 : x
  2. Step 2: Convert to fraction form
    69,007.49/103,345.13 = 46,753.40/x
  3. Step 3: Cross multiply
    69,007.49x = 103,345.13 × 46,753.40
  4. Step 4: Simplify right side
    69,007.49x = 4,831,736,576.19
  5. Step 5: Solve for x
    x = 4,831,736,576.19/69,007.49
  6. Step 6: Final answer
    x = 70,017.56

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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.