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Finding the Fourth Proportional to 373,035.42, 559,615.09 and 148,398.02

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Solution

The fourth proportional to 373,035.42, 559,615.09 and 148,398.02 is: 222,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,035.42 : 559,615.09 = 148,398.02 : x
  2. Step 2: Convert to fraction form
    373,035.42/559,615.09 = 148,398.02/x
  3. Step 3: Cross multiply
    373,035.42x = 559,615.09 × 148,398.02
  4. Step 4: Simplify right side
    373,035.42x = 83,045,771,318.12
  5. Step 5: Solve for x
    x = 83,045,771,318.12/373,035.42
  6. Step 6: Final answer
    x = 222,621.68

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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.