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Finding the Fourth Proportional to 291,486.01, 437,356.08 and 102,082.25

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Solution

The fourth proportional to 291,486.01, 437,356.08 and 102,082.25 is: 153,167.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,486.01 : 437,356.08 = 102,082.25 : x
  2. Step 2: Convert to fraction form
    291,486.01/437,356.08 = 102,082.25/x
  3. Step 3: Cross multiply
    291,486.01x = 437,356.08 × 102,082.25
  4. Step 4: Simplify right side
    291,486.01x = 44,646,292,697.58
  5. Step 5: Solve for x
    x = 44,646,292,697.58/291,486.01
  6. Step 6: Final answer
    x = 153,167.87

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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.