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Finding the Fourth Proportional to 116,208.36, 160,367.58 and 65,907.36

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Solution

The fourth proportional to 116,208.36, 160,367.58 and 65,907.36 is: 90,952.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,208.36 : 160,367.58 = 65,907.36 : x
  2. Step 2: Convert to fraction form
    116,208.36/160,367.58 = 65,907.36/x
  3. Step 3: Cross multiply
    116,208.36x = 160,367.58 × 65,907.36
  4. Step 4: Simplify right side
    116,208.36x = 10,569,403,827.39
  5. Step 5: Solve for x
    x = 10,569,403,827.39/116,208.36
  6. Step 6: Final answer
    x = 90,952.18

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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.