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Finding the Fourth Proportional to 110,503.80, 165,900.24 and 65,607.12

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Solution

The fourth proportional to 110,503.80, 165,900.24 and 65,607.12 is: 98,496.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,503.80 : 165,900.24 = 65,607.12 : x
  2. Step 2: Convert to fraction form
    110,503.80/165,900.24 = 65,607.12/x
  3. Step 3: Cross multiply
    110,503.80x = 165,900.24 × 65,607.12
  4. Step 4: Simplify right side
    110,503.80x = 10,884,236,953.71
  5. Step 5: Solve for x
    x = 10,884,236,953.71/110,503.80
  6. Step 6: Final answer
    x = 98,496.49

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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.