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Finding the Fourth Proportional to 121,159.98, 167,216.48 and 69,497.24

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Solution

The fourth proportional to 121,159.98, 167,216.48 and 69,497.24 is: 95,915.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,159.98 : 167,216.48 = 69,497.24 : x
  2. Step 2: Convert to fraction form
    121,159.98/167,216.48 = 69,497.24/x
  3. Step 3: Cross multiply
    121,159.98x = 167,216.48 × 69,497.24
  4. Step 4: Simplify right side
    121,159.98x = 11,621,083,076.99
  5. Step 5: Solve for x
    x = 11,621,083,076.99/121,159.98
  6. Step 6: Final answer
    x = 95,915.19

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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.