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Finding the Fourth Proportional to 291,496.40, 437,156.33 and 101,921.45

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Solution

The fourth proportional to 291,496.40, 437,156.33 and 101,921.45 is: 152,851.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,496.40 : 437,156.33 = 101,921.45 : x
  2. Step 2: Convert to fraction form
    291,496.40/437,156.33 = 101,921.45/x
  3. Step 3: Cross multiply
    291,496.40x = 437,156.33 × 101,921.45
  4. Step 4: Simplify right side
    291,496.40x = 44,555,605,099.30
  5. Step 5: Solve for x
    x = 44,555,605,099.30/291,496.40
  6. Step 6: Final answer
    x = 152,851.31

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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.