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Finding the Fourth Proportional to 152,668.98, 210,677.49 and 85,596.66

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Solution

The fourth proportional to 152,668.98, 210,677.49 and 85,596.66 is: 118,120.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,668.98 : 210,677.49 = 85,596.66 : x
  2. Step 2: Convert to fraction form
    152,668.98/210,677.49 = 85,596.66/x
  3. Step 3: Cross multiply
    152,668.98x = 210,677.49 × 85,596.66
  4. Step 4: Simplify right side
    152,668.98x = 18,033,289,481.18
  5. Step 5: Solve for x
    x = 18,033,289,481.18/152,668.98
  6. Step 6: Final answer
    x = 118,120.19

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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.