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Finding the Fourth Proportional to 237,886.94, 328,253.72 and 135,919

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Solution

The fourth proportional to 237,886.94, 328,253.72 and 135,919 is: 187,550.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,886.94 : 328,253.72 = 135,919 : x
  2. Step 2: Convert to fraction form
    237,886.94/328,253.72 = 135,919/x
  3. Step 3: Cross multiply
    237,886.94x = 328,253.72 × 135,919
  4. Step 4: Simplify right side
    237,886.94x = 44,615,917,368.68
  5. Step 5: Solve for x
    x = 44,615,917,368.68/237,886.94
  6. Step 6: Final answer
    x = 187,550.93

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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.