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Finding the Fourth Proportional to 156,855.95, 216,469.50 and 88,886.10

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Solution

The fourth proportional to 156,855.95, 216,469.50 and 88,886.10 is: 122,667.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,855.95 : 216,469.50 = 88,886.10 : x
  2. Step 2: Convert to fraction form
    156,855.95/216,469.50 = 88,886.10/x
  3. Step 3: Cross multiply
    156,855.95x = 216,469.50 × 88,886.10
  4. Step 4: Simplify right side
    156,855.95x = 19,241,129,623.95
  5. Step 5: Solve for x
    x = 19,241,129,623.95/156,855.95
  6. Step 6: Final answer
    x = 122,667.52

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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.