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Finding the Fourth Proportional to 110,464.90, 165,718.95 and 47,284.90

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Solution

The fourth proportional to 110,464.90, 165,718.95 and 47,284.90 is: 70,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,464.90 : 165,718.95 = 47,284.90 : x
  2. Step 2: Convert to fraction form
    110,464.90/165,718.95 = 47,284.90/x
  3. Step 3: Cross multiply
    110,464.90x = 165,718.95 × 47,284.90
  4. Step 4: Simplify right side
    110,464.90x = 7,836,003,978.86
  5. Step 5: Solve for x
    x = 7,836,003,978.86/110,464.90
  6. Step 6: Final answer
    x = 70,936.60

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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.