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Finding the Fourth Proportional to 156,864.98, 216,462.30 and 88,883.30

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Solution

The fourth proportional to 156,864.98, 216,462.30 and 88,883.30 is: 122,652.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,864.98 : 216,462.30 = 88,883.30 : x
  2. Step 2: Convert to fraction form
    156,864.98/216,462.30 = 88,883.30/x
  3. Step 3: Cross multiply
    156,864.98x = 216,462.30 × 88,883.30
  4. Step 4: Simplify right side
    156,864.98x = 19,239,883,549.59
  5. Step 5: Solve for x
    x = 19,239,883,549.59/156,864.98
  6. Step 6: Final answer
    x = 122,652.51

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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.