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Finding the Fourth Proportional to 341,213.70, 511,802.10 and 104,557.08

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Solution

The fourth proportional to 341,213.70, 511,802.10 and 104,557.08 is: 156,829.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,213.70 : 511,802.10 = 104,557.08 : x
  2. Step 2: Convert to fraction form
    341,213.70/511,802.10 = 104,557.08/x
  3. Step 3: Cross multiply
    341,213.70x = 511,802.10 × 104,557.08
  4. Step 4: Simplify right side
    341,213.70x = 53,512,533,113.87
  5. Step 5: Solve for x
    x = 53,512,533,113.87/341,213.70
  6. Step 6: Final answer
    x = 156,829.97

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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.