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Finding the Fourth Proportional to 291,355.65, 437,088.60 and 113,851.44

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Solution

The fourth proportional to 291,355.65, 437,088.60 and 113,851.44 is: 170,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,355.65 : 437,088.60 = 113,851.44 : x
  2. Step 2: Convert to fraction form
    291,355.65/437,088.60 = 113,851.44/x
  3. Step 3: Cross multiply
    291,355.65x = 437,088.60 × 113,851.44
  4. Step 4: Simplify right side
    291,355.65x = 49,763,166,517.58
  5. Step 5: Solve for x
    x = 49,763,166,517.58/291,355.65
  6. Step 6: Final answer
    x = 170,798.70

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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.