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Finding the Fourth Proportional to 110,497.82, 152,505.48 and 65,187.05

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Solution

The fourth proportional to 110,497.82, 152,505.48 and 65,187.05 is: 89,969.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,497.82 : 152,505.48 = 65,187.05 : x
  2. Step 2: Convert to fraction form
    110,497.82/152,505.48 = 65,187.05/x
  3. Step 3: Cross multiply
    110,497.82x = 152,505.48 × 65,187.05
  4. Step 4: Simplify right side
    110,497.82x = 9,941,381,831.96
  5. Step 5: Solve for x
    x = 9,941,381,831.96/110,497.82
  6. Step 6: Final answer
    x = 89,969.03

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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.