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Finding the Fourth Proportional to 106,684.65, 147,223.71 and 58,934.88

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Solution

The fourth proportional to 106,684.65, 147,223.71 and 58,934.88 is: 81,329.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,684.65 : 147,223.71 = 58,934.88 : x
  2. Step 2: Convert to fraction form
    106,684.65/147,223.71 = 58,934.88/x
  3. Step 3: Cross multiply
    106,684.65x = 147,223.71 × 58,934.88
  4. Step 4: Simplify right side
    106,684.65x = 8,676,611,682.00
  5. Step 5: Solve for x
    x = 8,676,611,682.00/106,684.65
  6. Step 6: Final answer
    x = 81,329.52

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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.