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Finding the Fourth Proportional to 250,776.34, 346,020.18 and 148,757.11

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Solution

The fourth proportional to 250,776.34, 346,020.18 and 148,757.11 is: 205,254.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,776.34 : 346,020.18 = 148,757.11 : x
  2. Step 2: Convert to fraction form
    250,776.34/346,020.18 = 148,757.11/x
  3. Step 3: Cross multiply
    250,776.34x = 346,020.18 × 148,757.11
  4. Step 4: Simplify right side
    250,776.34x = 51,472,961,978.48
  5. Step 5: Solve for x
    x = 51,472,961,978.48/250,776.34
  6. Step 6: Final answer
    x = 205,254.46

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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.