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Finding the Fourth Proportional to 237,963.96, 328,344.80 and 136,021.74

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Solution

The fourth proportional to 237,963.96, 328,344.80 and 136,021.74 is: 187,684.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,963.96 : 328,344.80 = 136,021.74 : x
  2. Step 2: Convert to fraction form
    237,963.96/328,344.80 = 136,021.74/x
  3. Step 3: Cross multiply
    237,963.96x = 328,344.80 × 136,021.74
  4. Step 4: Simplify right side
    237,963.96x = 44,662,031,015.95
  5. Step 5: Solve for x
    x = 44,662,031,015.95/237,963.96
  6. Step 6: Final answer
    x = 187,684.01

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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.