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Finding the Fourth Proportional to 266,598.78, 367,907.06 and 145,741.52

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Solution

The fourth proportional to 266,598.78, 367,907.06 and 145,741.52 is: 201,123.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,598.78 : 367,907.06 = 145,741.52 : x
  2. Step 2: Convert to fraction form
    266,598.78/367,907.06 = 145,741.52/x
  3. Step 3: Cross multiply
    266,598.78x = 367,907.06 × 145,741.52
  4. Step 4: Simplify right side
    266,598.78x = 53,619,334,143.13
  5. Step 5: Solve for x
    x = 53,619,334,143.13/266,598.78
  6. Step 6: Final answer
    x = 201,123.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.