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Finding the Fourth Proportional to 370,782.16, 556,172.60 and 104,542.16

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Solution

The fourth proportional to 370,782.16, 556,172.60 and 104,542.16 is: 156,813.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,782.16 : 556,172.60 = 104,542.16 : x
  2. Step 2: Convert to fraction form
    370,782.16/556,172.60 = 104,542.16/x
  3. Step 3: Cross multiply
    370,782.16x = 556,172.60 × 104,542.16
  4. Step 4: Simplify right side
    370,782.16x = 58,143,484,936.82
  5. Step 5: Solve for x
    x = 58,143,484,936.82/370,782.16
  6. Step 6: Final answer
    x = 156,813.06

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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.