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Finding the Fourth Proportional to 106,676.76, 147,222.54 and 58,934.28

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Solution

The fourth proportional to 106,676.76, 147,222.54 and 58,934.28 is: 81,334.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,676.76 : 147,222.54 = 58,934.28 : x
  2. Step 2: Convert to fraction form
    106,676.76/147,222.54 = 58,934.28/x
  3. Step 3: Cross multiply
    106,676.76x = 147,222.54 × 58,934.28
  4. Step 4: Simplify right side
    106,676.76x = 8,676,454,394.67
  5. Step 5: Solve for x
    x = 8,676,454,394.67/106,676.76
  6. Step 6: Final answer
    x = 81,334.06

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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.