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Finding the Fourth Proportional to 276,656.01, 415,088.60 and 108,296.66

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Solution

The fourth proportional to 276,656.01, 415,088.60 and 108,296.66 is: 162,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,656.01 : 415,088.60 = 108,296.66 : x
  2. Step 2: Convert to fraction form
    276,656.01/415,088.60 = 108,296.66/x
  3. Step 3: Cross multiply
    276,656.01x = 415,088.60 × 108,296.66
  4. Step 4: Simplify right side
    276,656.01x = 44,952,708,984.08
  5. Step 5: Solve for x
    x = 44,952,708,984.08/276,656.01
  6. Step 6: Final answer
    x = 162,485.93

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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.