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Finding the Fourth Proportional to 156,727.36, 216,222.24 and 89,623.36

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Solution

The fourth proportional to 156,727.36, 216,222.24 and 89,623.36 is: 123,645.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,727.36 : 216,222.24 = 89,623.36 : x
  2. Step 2: Convert to fraction form
    156,727.36/216,222.24 = 89,623.36/x
  3. Step 3: Cross multiply
    156,727.36x = 216,222.24 × 89,623.36
  4. Step 4: Simplify right side
    156,727.36x = 19,378,563,655.53
  5. Step 5: Solve for x
    x = 19,378,563,655.53/156,727.36
  6. Step 6: Final answer
    x = 123,645.06

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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.