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Finding the Fourth Proportional to 248,889.16, 373,332.12 and 149,077.72

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Solution

The fourth proportional to 248,889.16, 373,332.12 and 149,077.72 is: 223,615.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,889.16 : 373,332.12 = 149,077.72 : x
  2. Step 2: Convert to fraction form
    248,889.16/373,332.12 = 149,077.72/x
  3. Step 3: Cross multiply
    248,889.16x = 373,332.12 × 149,077.72
  4. Step 4: Simplify right side
    248,889.16x = 55,655,501,252.37
  5. Step 5: Solve for x
    x = 55,655,501,252.37/248,889.16
  6. Step 6: Final answer
    x = 223,615.61

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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.