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Finding the Fourth Proportional to 194,475.90, 291,713.82 and 46,731.90

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Solution

The fourth proportional to 194,475.90, 291,713.82 and 46,731.90 is: 70,097.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,475.90 : 291,713.82 = 46,731.90 : x
  2. Step 2: Convert to fraction form
    194,475.90/291,713.82 = 46,731.90/x
  3. Step 3: Cross multiply
    194,475.90x = 291,713.82 × 46,731.90
  4. Step 4: Simplify right side
    194,475.90x = 13,632,341,064.86
  5. Step 5: Solve for x
    x = 13,632,341,064.86/194,475.90
  6. Step 6: Final answer
    x = 70,097.84

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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.