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Finding the Fourth Proportional to 191,188.62, 286,821.24 and 107,068.44

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Solution

The fourth proportional to 191,188.62, 286,821.24 and 107,068.44 is: 160,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,188.62 : 286,821.24 = 107,068.44 : x
  2. Step 2: Convert to fraction form
    191,188.62/286,821.24 = 107,068.44/x
  3. Step 3: Cross multiply
    191,188.62x = 286,821.24 × 107,068.44
  4. Step 4: Simplify right side
    191,188.62x = 30,709,502,725.67
  5. Step 5: Solve for x
    x = 30,709,502,725.67/191,188.62
  6. Step 6: Final answer
    x = 160,624.11

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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.