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Finding the Fourth Proportional to 199,894.90, 299,894.28 and 59,653.53

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Solution

The fourth proportional to 199,894.90, 299,894.28 and 59,653.53 is: 89,495.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,894.90 : 299,894.28 = 59,653.53 : x
  2. Step 2: Convert to fraction form
    199,894.90/299,894.28 = 59,653.53/x
  3. Step 3: Cross multiply
    199,894.90x = 299,894.28 × 59,653.53
  4. Step 4: Simplify right side
    199,894.90x = 17,889,750,631.07
  5. Step 5: Solve for x
    x = 17,889,750,631.07/199,894.90
  6. Step 6: Final answer
    x = 89,495.78

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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.