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Finding the Fourth Proportional to 235,358.93, 353,041.11 and 66,878.94

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Solution

The fourth proportional to 235,358.93, 353,041.11 and 66,878.94 is: 100,319.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,358.93 : 353,041.11 = 66,878.94 : x
  2. Step 2: Convert to fraction form
    235,358.93/353,041.11 = 66,878.94/x
  3. Step 3: Cross multiply
    235,358.93x = 353,041.11 × 66,878.94
  4. Step 4: Simplify right side
    235,358.93x = 23,611,015,213.22
  5. Step 5: Solve for x
    x = 23,611,015,213.22/235,358.93
  6. Step 6: Final answer
    x = 100,319.18

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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.