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Finding the Fourth Proportional to 106,676.92, 147,208.71 and 58,921.03

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Solution

The fourth proportional to 106,676.92, 147,208.71 and 58,921.03 is: 81,308.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,676.92 : 147,208.71 = 58,921.03 : x
  2. Step 2: Convert to fraction form
    106,676.92/147,208.71 = 58,921.03/x
  3. Step 3: Cross multiply
    106,676.92x = 147,208.71 × 58,921.03
  4. Step 4: Simplify right side
    106,676.92x = 8,673,688,818.17
  5. Step 5: Solve for x
    x = 8,673,688,818.17/106,676.92
  6. Step 6: Final answer
    x = 81,308.02

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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.