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Finding the Fourth Proportional to 351,500.51, 527,250.77 and 98,770.79

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Solution

The fourth proportional to 351,500.51, 527,250.77 and 98,770.79 is: 148,156.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,500.51 : 527,250.77 = 98,770.79 : x
  2. Step 2: Convert to fraction form
    351,500.51/527,250.77 = 98,770.79/x
  3. Step 3: Cross multiply
    351,500.51x = 527,250.77 × 98,770.79
  4. Step 4: Simplify right side
    351,500.51x = 52,076,976,275.67
  5. Step 5: Solve for x
    x = 52,076,976,275.67/351,500.51
  6. Step 6: Final answer
    x = 148,156.19

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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.