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Finding the Fourth Proportional to 199,552.48, 299,378.40 and 59,307.28

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Solution

The fourth proportional to 199,552.48, 299,378.40 and 59,307.28 is: 88,975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,552.48 : 299,378.40 = 59,307.28 : x
  2. Step 2: Convert to fraction form
    199,552.48/299,378.40 = 59,307.28/x
  3. Step 3: Cross multiply
    199,552.48x = 299,378.40 × 59,307.28
  4. Step 4: Simplify right side
    199,552.48x = 17,755,318,594.75
  5. Step 5: Solve for x
    x = 17,755,318,594.75/199,552.48
  6. Step 6: Final answer
    x = 88,975.68

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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.