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Finding the Fourth Proportional to 199,312.80, 298,866.60 and 59,053.20

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Solution

The fourth proportional to 199,312.80, 298,866.60 and 59,053.20 is: 88,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,312.80 : 298,866.60 = 59,053.20 : x
  2. Step 2: Convert to fraction form
    199,312.80/298,866.60 = 59,053.20/x
  3. Step 3: Cross multiply
    199,312.80x = 298,866.60 × 59,053.20
  4. Step 4: Simplify right side
    199,312.80x = 17,649,029,103.12
  5. Step 5: Solve for x
    x = 17,649,029,103.12/199,312.80
  6. Step 6: Final answer
    x = 88,549.40

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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.