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Finding the Fourth Proportional to 291,730.62, 437,420.76 and 114,025.92

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Solution

The fourth proportional to 291,730.62, 437,420.76 and 114,025.92 is: 170,970.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,730.62 : 437,420.76 = 114,025.92 : x
  2. Step 2: Convert to fraction form
    291,730.62/437,420.76 = 114,025.92/x
  3. Step 3: Cross multiply
    291,730.62x = 437,420.76 × 114,025.92
  4. Step 4: Simplify right side
    291,730.62x = 49,877,304,586.10
  5. Step 5: Solve for x
    x = 49,877,304,586.10/291,730.62
  6. Step 6: Final answer
    x = 170,970.41

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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.