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Finding the Fourth Proportional to 347,068.25, 520,644.49 and 97,750.25

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Solution

The fourth proportional to 347,068.25, 520,644.49 and 97,750.25 is: 146,637.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,068.25 : 520,644.49 = 97,750.25 : x
  2. Step 2: Convert to fraction form
    347,068.25/520,644.49 = 97,750.25/x
  3. Step 3: Cross multiply
    347,068.25x = 520,644.49 × 97,750.25
  4. Step 4: Simplify right side
    347,068.25x = 50,893,126,211.02
  5. Step 5: Solve for x
    x = 50,893,126,211.02/347,068.25
  6. Step 6: Final answer
    x = 146,637.23

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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.