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Finding the Fourth Proportional to 106,396.04, 146,819.94 and 58,646.92

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Solution

The fourth proportional to 106,396.04, 146,819.94 and 58,646.92 is: 80,929.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,396.04 : 146,819.94 = 58,646.92 : x
  2. Step 2: Convert to fraction form
    106,396.04/146,819.94 = 58,646.92/x
  3. Step 3: Cross multiply
    106,396.04x = 146,819.94 × 58,646.92
  4. Step 4: Simplify right side
    106,396.04x = 8,610,537,275.58
  5. Step 5: Solve for x
    x = 8,610,537,275.58/106,396.04
  6. Step 6: Final answer
    x = 80,929.11

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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.