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Finding the Fourth Proportional to 106,643.58, 159,994.59 and 46,661.18

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Solution

The fourth proportional to 106,643.58, 159,994.59 and 46,661.18 is: 70,004.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,643.58 : 159,994.59 = 46,661.18 : x
  2. Step 2: Convert to fraction form
    106,643.58/159,994.59 = 46,661.18/x
  3. Step 3: Cross multiply
    106,643.58x = 159,994.59 × 46,661.18
  4. Step 4: Simplify right side
    106,643.58x = 7,465,536,363.02
  5. Step 5: Solve for x
    x = 7,465,536,363.02/106,643.58
  6. Step 6: Final answer
    x = 70,004.56

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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.