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Finding the Fourth Proportional to 207,045.30, 310,458.60 and 88,582.80

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Solution

The fourth proportional to 207,045.30, 310,458.60 and 88,582.80 is: 132,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,045.30 : 310,458.60 = 88,582.80 : x
  2. Step 2: Convert to fraction form
    207,045.30/310,458.60 = 88,582.80/x
  3. Step 3: Cross multiply
    207,045.30x = 310,458.60 × 88,582.80
  4. Step 4: Simplify right side
    207,045.30x = 27,501,292,072.08
  5. Step 5: Solve for x
    x = 27,501,292,072.08/207,045.30
  6. Step 6: Final answer
    x = 132,827.42

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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.