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Finding the Fourth Proportional to 348,066.47, 522,100.16 and 95,349.21

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Solution

The fourth proportional to 348,066.47, 522,100.16 and 95,349.21 is: 143,023.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,066.47 : 522,100.16 = 95,349.21 : x
  2. Step 2: Convert to fraction form
    348,066.47/522,100.16 = 95,349.21/x
  3. Step 3: Cross multiply
    348,066.47x = 522,100.16 × 95,349.21
  4. Step 4: Simplify right side
    348,066.47x = 49,781,836,256.15
  5. Step 5: Solve for x
    x = 49,781,836,256.15/348,066.47
  6. Step 6: Final answer
    x = 143,023.93

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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.