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Finding the Fourth Proportional to 191,109.57, 286,664.41 and 56,173.67

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Solution

The fourth proportional to 191,109.57, 286,664.41 and 56,173.67 is: 84,260.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,109.57 : 286,664.41 = 56,173.67 : x
  2. Step 2: Convert to fraction form
    191,109.57/286,664.41 = 56,173.67/x
  3. Step 3: Cross multiply
    191,109.57x = 286,664.41 × 56,173.67
  4. Step 4: Simplify right side
    191,109.57x = 16,102,990,534.76
  5. Step 5: Solve for x
    x = 16,102,990,534.76/191,109.57
  6. Step 6: Final answer
    x = 84,260.51

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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.