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Finding the Fourth Proportional to 152,922.73, 211,033.37 and 85,854.73

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Solution

The fourth proportional to 152,922.73, 211,033.37 and 85,854.73 is: 118,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,922.73 : 211,033.37 = 85,854.73 : x
  2. Step 2: Convert to fraction form
    152,922.73/211,033.37 = 85,854.73/x
  3. Step 3: Cross multiply
    152,922.73x = 211,033.37 × 85,854.73
  4. Step 4: Simplify right side
    152,922.73x = 18,118,213,002.34
  5. Step 5: Solve for x
    x = 18,118,213,002.34/152,922.73
  6. Step 6: Final answer
    x = 118,479.53

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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.