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Finding the Fourth Proportional to 88,023.60, 131,889.60 and 74,901.60

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Solution

The fourth proportional to 88,023.60, 131,889.60 and 74,901.60 is: 112,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,023.60 : 131,889.60 = 74,901.60 : x
  2. Step 2: Convert to fraction form
    88,023.60/131,889.60 = 74,901.60/x
  3. Step 3: Cross multiply
    88,023.60x = 131,889.60 × 74,901.60
  4. Step 4: Simplify right side
    88,023.60x = 9,878,742,063.36
  5. Step 5: Solve for x
    x = 9,878,742,063.36/88,023.60
  6. Step 6: Final answer
    x = 112,228.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.