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Finding the Fourth Proportional to 351,360.29, 527,030.87 and 98,642.87

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Solution

The fourth proportional to 351,360.29, 527,030.87 and 98,642.87 is: 147,961.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,360.29 : 527,030.87 = 98,642.87 : x
  2. Step 2: Convert to fraction form
    351,360.29/527,030.87 = 98,642.87/x
  3. Step 3: Cross multiply
    351,360.29x = 527,030.87 × 98,642.87
  4. Step 4: Simplify right side
    351,360.29x = 51,987,837,102.18
  5. Step 5: Solve for x
    x = 51,987,837,102.18/351,360.29
  6. Step 6: Final answer
    x = 147,961.62

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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.