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Finding the Fourth Proportional to 248,575.68, 343,024.78 and 151,941.34

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Solution

The fourth proportional to 248,575.68, 343,024.78 and 151,941.34 is: 209,673.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,575.68 : 343,024.78 = 151,941.34 : x
  2. Step 2: Convert to fraction form
    248,575.68/343,024.78 = 151,941.34/x
  3. Step 3: Cross multiply
    248,575.68x = 343,024.78 × 151,941.34
  4. Step 4: Simplify right side
    248,575.68x = 52,119,643,391.13
  5. Step 5: Solve for x
    x = 52,119,643,391.13/248,575.68
  6. Step 6: Final answer
    x = 209,673.14

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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.