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Finding the Fourth Proportional to 110,794.32, 152,969.48 and 68,415.12

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Solution

The fourth proportional to 110,794.32, 152,969.48 and 68,415.12 is: 94,458.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,794.32 : 152,969.48 = 68,415.12 : x
  2. Step 2: Convert to fraction form
    110,794.32/152,969.48 = 68,415.12/x
  3. Step 3: Cross multiply
    110,794.32x = 152,969.48 × 68,415.12
  4. Step 4: Simplify right side
    110,794.32x = 10,465,425,330.54
  5. Step 5: Solve for x
    x = 10,465,425,330.54/110,794.32
  6. Step 6: Final answer
    x = 94,458.14

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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.