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Finding the Fourth Proportional to 191,025.52, 286,590.12 and 57,910.12

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Solution

The fourth proportional to 191,025.52, 286,590.12 and 57,910.12 is: 86,880.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,025.52 : 286,590.12 = 57,910.12 : x
  2. Step 2: Convert to fraction form
    191,025.52/286,590.12 = 57,910.12/x
  3. Step 3: Cross multiply
    191,025.52x = 286,590.12 × 57,910.12
  4. Step 4: Simplify right side
    191,025.52x = 16,596,468,240.01
  5. Step 5: Solve for x
    x = 16,596,468,240.01/191,025.52
  6. Step 6: Final answer
    x = 86,880.90

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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.