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Finding the Fourth Proportional to 105,561.39, 158,352.11 and 29,659.74

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Solution

The fourth proportional to 105,561.39, 158,352.11 and 29,659.74 is: 44,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,561.39 : 158,352.11 = 29,659.74 : x
  2. Step 2: Convert to fraction form
    105,561.39/158,352.11 = 29,659.74/x
  3. Step 3: Cross multiply
    105,561.39x = 158,352.11 × 29,659.74
  4. Step 4: Simplify right side
    105,561.39x = 4,696,681,946.99
  5. Step 5: Solve for x
    x = 4,696,681,946.99/105,561.39
  6. Step 6: Final answer
    x = 44,492.42

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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.