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Finding the Fourth Proportional to 106,671.90, 159,954.12 and 35,569.32

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Solution

The fourth proportional to 106,671.90, 159,954.12 and 35,569.32 is: 53,336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,671.90 : 159,954.12 = 35,569.32 : x
  2. Step 2: Convert to fraction form
    106,671.90/159,954.12 = 35,569.32/x
  3. Step 3: Cross multiply
    106,671.90x = 159,954.12 × 35,569.32
  4. Step 4: Simplify right side
    106,671.90x = 5,689,459,279.60
  5. Step 5: Solve for x
    x = 5,689,459,279.60/106,671.90
  6. Step 6: Final answer
    x = 53,336.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.