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Finding the Fourth Proportional to 88,562.22, 132,256.30 and 77,831.34

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Solution

The fourth proportional to 88,562.22, 132,256.30 and 77,831.34 is: 116,231.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,562.22 : 132,256.30 = 77,831.34 : x
  2. Step 2: Convert to fraction form
    88,562.22/132,256.30 = 77,831.34/x
  3. Step 3: Cross multiply
    88,562.22x = 132,256.30 × 77,831.34
  4. Step 4: Simplify right side
    88,562.22x = 10,293,685,052.44
  5. Step 5: Solve for x
    x = 10,293,685,052.44/88,562.22
  6. Step 6: Final answer
    x = 116,231.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.