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Finding the Fourth Proportional to 248,154.59, 342,483.77 and 146,174.78

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Solution

The fourth proportional to 248,154.59, 342,483.77 and 146,174.78 is: 201,739.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,154.59 : 342,483.77 = 146,174.78 : x
  2. Step 2: Convert to fraction form
    248,154.59/342,483.77 = 146,174.78/x
  3. Step 3: Cross multiply
    248,154.59x = 342,483.77 × 146,174.78
  4. Step 4: Simplify right side
    248,154.59x = 50,062,490,954.97
  5. Step 5: Solve for x
    x = 50,062,490,954.97/248,154.59
  6. Step 6: Final answer
    x = 201,739.13

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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.