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Finding the Fourth Proportional to 156,992.52, 216,655.38 and 89,937.48

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Solution

The fourth proportional to 156,992.52, 216,655.38 and 89,937.48 is: 124,116.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,992.52 : 216,655.38 = 89,937.48 : x
  2. Step 2: Convert to fraction form
    156,992.52/216,655.38 = 89,937.48/x
  3. Step 3: Cross multiply
    156,992.52x = 216,655.38 × 89,937.48
  4. Step 4: Simplify right side
    156,992.52x = 19,485,438,905.64
  5. Step 5: Solve for x
    x = 19,485,438,905.64/156,992.52
  6. Step 6: Final answer
    x = 124,116.99

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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.