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Finding the Fourth Proportional to 158,181.70, 237,203.43 and 47,347.78

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Solution

The fourth proportional to 158,181.70, 237,203.43 and 47,347.78 is: 71,000.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,181.70 : 237,203.43 = 47,347.78 : x
  2. Step 2: Convert to fraction form
    158,181.70/237,203.43 = 47,347.78/x
  3. Step 3: Cross multiply
    158,181.70x = 237,203.43 × 47,347.78
  4. Step 4: Simplify right side
    158,181.70x = 11,231,055,818.89
  5. Step 5: Solve for x
    x = 11,231,055,818.89/158,181.70
  6. Step 6: Final answer
    x = 71,000.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.