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Finding the Fourth Proportional to 291,559.72, 437,077.12 and 104,527.48

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Solution

The fourth proportional to 291,559.72, 437,077.12 and 104,527.48 is: 156,697.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,559.72 : 437,077.12 = 104,527.48 : x
  2. Step 2: Convert to fraction form
    291,559.72/437,077.12 = 104,527.48/x
  3. Step 3: Cross multiply
    291,559.72x = 437,077.12 × 104,527.48
  4. Step 4: Simplify right side
    291,559.72x = 45,686,569,919.26
  5. Step 5: Solve for x
    x = 45,686,569,919.26/291,559.72
  6. Step 6: Final answer
    x = 156,697.13

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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.