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Finding the Fourth Proportional to 468,643.04, 702,984 and 136,219.04

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Solution

The fourth proportional to 468,643.04, 702,984 and 136,219.04 is: 204,334.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,643.04 : 702,984 = 136,219.04 : x
  2. Step 2: Convert to fraction form
    468,643.04/702,984 = 136,219.04/x
  3. Step 3: Cross multiply
    468,643.04x = 702,984 × 136,219.04
  4. Step 4: Simplify right side
    468,643.04x = 95,759,805,615.36
  5. Step 5: Solve for x
    x = 95,759,805,615.36/468,643.04
  6. Step 6: Final answer
    x = 204,334.21

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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.