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Finding the Fourth Proportional to 194,341.87, 291,246.72 and 99,373.42

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Solution

The fourth proportional to 194,341.87, 291,246.72 and 99,373.42 is: 148,924.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,341.87 : 291,246.72 = 99,373.42 : x
  2. Step 2: Convert to fraction form
    194,341.87/291,246.72 = 99,373.42/x
  3. Step 3: Cross multiply
    194,341.87x = 291,246.72 × 99,373.42
  4. Step 4: Simplify right side
    194,341.87x = 28,942,182,630.18
  5. Step 5: Solve for x
    x = 28,942,182,630.18/194,341.87
  6. Step 6: Final answer
    x = 148,924.07

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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.