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Finding the Fourth Proportional to 199,496.60, 275,303.90 and 113,455.62

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Solution

The fourth proportional to 199,496.60, 275,303.90 and 113,455.62 is: 156,567.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,496.60 : 275,303.90 = 113,455.62 : x
  2. Step 2: Convert to fraction form
    199,496.60/275,303.90 = 113,455.62/x
  3. Step 3: Cross multiply
    199,496.60x = 275,303.90 × 113,455.62
  4. Step 4: Simplify right side
    199,496.60x = 31,234,772,719.12
  5. Step 5: Solve for x
    x = 31,234,772,719.12/199,496.60
  6. Step 6: Final answer
    x = 156,567.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.