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Finding the Fourth Proportional to 116,516, 174,398.07 and 60,278.66

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Solution

The fourth proportional to 116,516, 174,398.07 and 60,278.66 is: 90,223.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,516 : 174,398.07 = 60,278.66 : x
  2. Step 2: Convert to fraction form
    116,516/174,398.07 = 60,278.66/x
  3. Step 3: Cross multiply
    116,516x = 174,398.07 × 60,278.66
  4. Step 4: Simplify right side
    116,516x = 10,512,481,966.19
  5. Step 5: Solve for x
    x = 10,512,481,966.19/116,516
  6. Step 6: Final answer
    x = 90,223.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.