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Finding the Fourth Proportional to 200,054.80, 299,979.60 and 59,795.20

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Solution

The fourth proportional to 200,054.80, 299,979.60 and 59,795.20 is: 89,662.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,054.80 : 299,979.60 = 59,795.20 : x
  2. Step 2: Convert to fraction form
    200,054.80/299,979.60 = 59,795.20/x
  3. Step 3: Cross multiply
    200,054.80x = 299,979.60 × 59,795.20
  4. Step 4: Simplify right side
    200,054.80x = 17,937,340,177.92
  5. Step 5: Solve for x
    x = 17,937,340,177.92/200,054.80
  6. Step 6: Final answer
    x = 89,662.13

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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.