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Finding the Fourth Proportional to 238,184.60, 328,682.39 and 141,392.48

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Solution

The fourth proportional to 238,184.60, 328,682.39 and 141,392.48 is: 195,114.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,184.60 : 328,682.39 = 141,392.48 : x
  2. Step 2: Convert to fraction form
    238,184.60/328,682.39 = 141,392.48/x
  3. Step 3: Cross multiply
    238,184.60x = 328,682.39 × 141,392.48
  4. Step 4: Simplify right side
    238,184.60x = 46,473,215,904.05
  5. Step 5: Solve for x
    x = 46,473,215,904.05/238,184.60
  6. Step 6: Final answer
    x = 195,114.28

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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.