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Finding the Fourth Proportional to 191,194.80, 286,792.20 and 96,716.40

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Solution

The fourth proportional to 191,194.80, 286,792.20 and 96,716.40 is: 145,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,194.80 : 286,792.20 = 96,716.40 : x
  2. Step 2: Convert to fraction form
    191,194.80/286,792.20 = 96,716.40/x
  3. Step 3: Cross multiply
    191,194.80x = 286,792.20 × 96,716.40
  4. Step 4: Simplify right side
    191,194.80x = 27,737,509,132.08
  5. Step 5: Solve for x
    x = 27,737,509,132.08/191,194.80
  6. Step 6: Final answer
    x = 145,074.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.