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Finding the Fourth Proportional to 248,411.62, 342,852.77 and 146,431.04

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Solution

The fourth proportional to 248,411.62, 342,852.77 and 146,431.04 is: 202,101.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,411.62 : 342,852.77 = 146,431.04 : x
  2. Step 2: Convert to fraction form
    248,411.62/342,852.77 = 146,431.04/x
  3. Step 3: Cross multiply
    248,411.62x = 342,852.77 × 146,431.04
  4. Step 4: Simplify right side
    248,411.62x = 50,204,286,945.83
  5. Step 5: Solve for x
    x = 50,204,286,945.83/248,411.62
  6. Step 6: Final answer
    x = 202,101.21

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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.