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Finding the Fourth Proportional to 191,226.96, 286,841.48 and 50,985.12

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Solution

The fourth proportional to 191,226.96, 286,841.48 and 50,985.12 is: 76,477.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,226.96 : 286,841.48 = 50,985.12 : x
  2. Step 2: Convert to fraction form
    191,226.96/286,841.48 = 50,985.12/x
  3. Step 3: Cross multiply
    191,226.96x = 286,841.48 × 50,985.12
  4. Step 4: Simplify right side
    191,226.96x = 14,624,647,278.78
  5. Step 5: Solve for x
    x = 14,624,647,278.78/191,226.96
  6. Step 6: Final answer
    x = 76,477.96

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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.