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Finding the Fourth Proportional to 116,058.69, 159,117.95 and 113,959.17

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Solution

The fourth proportional to 116,058.69, 159,117.95 and 113,959.17 is: 156,239.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,058.69 : 159,117.95 = 113,959.17 : x
  2. Step 2: Convert to fraction form
    116,058.69/159,117.95 = 113,959.17/x
  3. Step 3: Cross multiply
    116,058.69x = 159,117.95 × 113,959.17
  4. Step 4: Simplify right side
    116,058.69x = 18,132,949,799.00
  5. Step 5: Solve for x
    x = 18,132,949,799.00/116,058.69
  6. Step 6: Final answer
    x = 156,239.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.