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Finding the Fourth Proportional to 117,200.58, 161,733.48 and 68,801.74

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Solution

The fourth proportional to 117,200.58, 161,733.48 and 68,801.74 is: 94,944.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,200.58 : 161,733.48 = 68,801.74 : x
  2. Step 2: Convert to fraction form
    117,200.58/161,733.48 = 68,801.74/x
  3. Step 3: Cross multiply
    117,200.58x = 161,733.48 × 68,801.74
  4. Step 4: Simplify right side
    117,200.58x = 11,127,544,164.24
  5. Step 5: Solve for x
    x = 11,127,544,164.24/117,200.58
  6. Step 6: Final answer
    x = 94,944.45

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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.