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Finding the Fourth Proportional to 248,708.72, 343,332.60 and 146,699.48

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Solution

The fourth proportional to 248,708.72, 343,332.60 and 146,699.48 is: 202,512.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,708.72 : 343,332.60 = 146,699.48 : x
  2. Step 2: Convert to fraction form
    248,708.72/343,332.60 = 146,699.48/x
  3. Step 3: Cross multiply
    248,708.72x = 343,332.60 × 146,699.48
  4. Step 4: Simplify right side
    248,708.72x = 50,366,713,887.05
  5. Step 5: Solve for x
    x = 50,366,713,887.05/248,708.72
  6. Step 6: Final answer
    x = 202,512.86

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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.