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Finding the Fourth Proportional to 357,626.10, 536,105.64 and 120,803.16

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Solution

The fourth proportional to 357,626.10, 536,105.64 and 120,803.16 is: 181,092.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,626.10 : 536,105.64 = 120,803.16 : x
  2. Step 2: Convert to fraction form
    357,626.10/536,105.64 = 120,803.16/x
  3. Step 3: Cross multiply
    357,626.10x = 536,105.64 × 120,803.16
  4. Step 4: Simplify right side
    357,626.10x = 64,763,255,405.82
  5. Step 5: Solve for x
    x = 64,763,255,405.82/357,626.10
  6. Step 6: Final answer
    x = 181,092.08

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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.