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Finding the Fourth Proportional to 106,794.92, 147,371.10 and 59,045.42

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Solution

The fourth proportional to 106,794.92, 147,371.10 and 59,045.42 is: 81,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,794.92 : 147,371.10 = 59,045.42 : x
  2. Step 2: Convert to fraction form
    106,794.92/147,371.10 = 59,045.42/x
  3. Step 3: Cross multiply
    106,794.92x = 147,371.10 × 59,045.42
  4. Step 4: Simplify right side
    106,794.92x = 8,701,588,495.36
  5. Step 5: Solve for x
    x = 8,701,588,495.36/106,794.92
  6. Step 6: Final answer
    x = 81,479.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.