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Finding the Fourth Proportional to 168,597.85, 253,038.66 and 84,332.74

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Solution

The fourth proportional to 168,597.85, 253,038.66 and 84,332.74 is: 126,570.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,597.85 : 253,038.66 = 84,332.74 : x
  2. Step 2: Convert to fraction form
    168,597.85/253,038.66 = 84,332.74/x
  3. Step 3: Cross multiply
    168,597.85x = 253,038.66 × 84,332.74
  4. Step 4: Simplify right side
    168,597.85x = 21,339,443,523.73
  5. Step 5: Solve for x
    x = 21,339,443,523.73/168,597.85
  6. Step 6: Final answer
    x = 126,570.08

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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.