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Finding the Fourth Proportional to 89,964, 124,161.26 and 52,238.25

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Solution

The fourth proportional to 89,964, 124,161.26 and 52,238.25 is: 72,095.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,964 : 124,161.26 = 52,238.25 : x
  2. Step 2: Convert to fraction form
    89,964/124,161.26 = 52,238.25/x
  3. Step 3: Cross multiply
    89,964x = 124,161.26 × 52,238.25
  4. Step 4: Simplify right side
    89,964x = 6,485,966,679.00
  5. Step 5: Solve for x
    x = 6,485,966,679.00/89,964
  6. Step 6: Final answer
    x = 72,095.13

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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.