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Finding the Fourth Proportional to 348,085.66, 522,128.90 and 95,368.34

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Solution

The fourth proportional to 348,085.66, 522,128.90 and 95,368.34 is: 143,052.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,085.66 : 522,128.90 = 95,368.34 : x
  2. Step 2: Convert to fraction form
    348,085.66/522,128.90 = 95,368.34/x
  3. Step 3: Cross multiply
    348,085.66x = 522,128.90 × 95,368.34
  4. Step 4: Simplify right side
    348,085.66x = 49,794,565,982.18
  5. Step 5: Solve for x
    x = 49,794,565,982.18/348,085.66
  6. Step 6: Final answer
    x = 143,052.62

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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.