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Finding the Fourth Proportional to 343,220.58, 514,823.43 and 93,902.58

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Solution

The fourth proportional to 343,220.58, 514,823.43 and 93,902.58 is: 140,851.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,220.58 : 514,823.43 = 93,902.58 : x
  2. Step 2: Convert to fraction form
    343,220.58/514,823.43 = 93,902.58/x
  3. Step 3: Cross multiply
    343,220.58x = 514,823.43 × 93,902.58
  4. Step 4: Simplify right side
    343,220.58x = 48,343,248,321.45
  5. Step 5: Solve for x
    x = 48,343,248,321.45/343,220.58
  6. Step 6: Final answer
    x = 140,851.83

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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.