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Finding the Fourth Proportional to 348,528.68, 522,841.42 and 111,943.88

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Solution

The fourth proportional to 348,528.68, 522,841.42 and 111,943.88 is: 167,931.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,528.68 : 522,841.42 = 111,943.88 : x
  2. Step 2: Convert to fraction form
    348,528.68/522,841.42 = 111,943.88/x
  3. Step 3: Cross multiply
    348,528.68x = 522,841.42 × 111,943.88
  4. Step 4: Simplify right side
    348,528.68x = 58,528,897,179.51
  5. Step 5: Solve for x
    x = 58,528,897,179.51/348,528.68
  6. Step 6: Final answer
    x = 167,931.37

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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.