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Finding the Fourth Proportional to 141,274.96, 194,872.96 and 83,875.34

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Solution

The fourth proportional to 141,274.96, 194,872.96 and 83,875.34 is: 115,696.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,274.96 : 194,872.96 = 83,875.34 : x
  2. Step 2: Convert to fraction form
    141,274.96/194,872.96 = 83,875.34/x
  3. Step 3: Cross multiply
    141,274.96x = 194,872.96 × 83,875.34
  4. Step 4: Simplify right side
    141,274.96x = 16,345,035,776.81
  5. Step 5: Solve for x
    x = 16,345,035,776.81/141,274.96
  6. Step 6: Final answer
    x = 115,696.62

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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.