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Finding the Fourth Proportional to 156,770.75, 216,345.96 and 88,786.03

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Solution

The fourth proportional to 156,770.75, 216,345.96 and 88,786.03 is: 122,526.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,770.75 : 216,345.96 = 88,786.03 : x
  2. Step 2: Convert to fraction form
    156,770.75/216,345.96 = 88,786.03/x
  3. Step 3: Cross multiply
    156,770.75x = 216,345.96 × 88,786.03
  4. Step 4: Simplify right side
    156,770.75x = 19,208,498,894.94
  5. Step 5: Solve for x
    x = 19,208,498,894.94/156,770.75
  6. Step 6: Final answer
    x = 122,526.04

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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.