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Finding the Fourth Proportional to 215,303.00, 323,023.64 and 65,572.25

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Solution

The fourth proportional to 215,303.00, 323,023.64 and 65,572.25 is: 98,379.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,303.00 : 323,023.64 = 65,572.25 : x
  2. Step 2: Convert to fraction form
    215,303.00/323,023.64 = 65,572.25/x
  3. Step 3: Cross multiply
    215,303.00x = 323,023.64 × 65,572.25
  4. Step 4: Simplify right side
    215,303.00x = 21,181,384,935.01
  5. Step 5: Solve for x
    x = 21,181,384,935.01/215,303.00
  6. Step 6: Final answer
    x = 98,379.43

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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.