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Finding the Fourth Proportional to 110,295.68, 165,377.76 and 74,800.64

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Solution

The fourth proportional to 110,295.68, 165,377.76 and 74,800.64 is: 112,156.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,295.68 : 165,377.76 = 74,800.64 : x
  2. Step 2: Convert to fraction form
    110,295.68/165,377.76 = 74,800.64/x
  3. Step 3: Cross multiply
    110,295.68x = 165,377.76 × 74,800.64
  4. Step 4: Simplify right side
    110,295.68x = 12,370,362,289.77
  5. Step 5: Solve for x
    x = 12,370,362,289.77/110,295.68
  6. Step 6: Final answer
    x = 112,156.36

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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.