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Finding the Fourth Proportional to 110,006.40, 165,009.60 and 65,610.30

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Solution

The fourth proportional to 110,006.40, 165,009.60 and 65,610.30 is: 98,415.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,006.40 : 165,009.60 = 65,610.30 : x
  2. Step 2: Convert to fraction form
    110,006.40/165,009.60 = 65,610.30/x
  3. Step 3: Cross multiply
    110,006.40x = 165,009.60 × 65,610.30
  4. Step 4: Simplify right side
    110,006.40x = 10,826,329,358.88
  5. Step 5: Solve for x
    x = 10,826,329,358.88/110,006.40
  6. Step 6: Final answer
    x = 98,415.45

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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.