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Finding the Fourth Proportional to 191,477.93, 264,246.10 and 109,820.21

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Solution

The fourth proportional to 191,477.93, 264,246.10 and 109,820.21 is: 151,555.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,477.93 : 264,246.10 = 109,820.21 : x
  2. Step 2: Convert to fraction form
    191,477.93/264,246.10 = 109,820.21/x
  3. Step 3: Cross multiply
    191,477.93x = 264,246.10 × 109,820.21
  4. Step 4: Simplify right side
    191,477.93x = 29,019,560,597.90
  5. Step 5: Solve for x
    x = 29,019,560,597.90/191,477.93
  6. Step 6: Final answer
    x = 151,555.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.