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Finding the Fourth Proportional to 141,465.92, 195,196.92 and 84,124.40

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Solution

The fourth proportional to 141,465.92, 195,196.92 and 84,124.40 is: 116,076.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,465.92 : 195,196.92 = 84,124.40 : x
  2. Step 2: Convert to fraction form
    141,465.92/195,196.92 = 84,124.40/x
  3. Step 3: Cross multiply
    141,465.92x = 195,196.92 × 84,124.40
  4. Step 4: Simplify right side
    141,465.92x = 16,420,823,776.85
  5. Step 5: Solve for x
    x = 16,420,823,776.85/141,465.92
  6. Step 6: Final answer
    x = 116,076.18

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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.