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Finding the Fourth Proportional to 207,135.63, 310,710.33 and 57,377.43

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Solution

The fourth proportional to 207,135.63, 310,710.33 and 57,377.43 is: 86,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,135.63 : 310,710.33 = 57,377.43 : x
  2. Step 2: Convert to fraction form
    207,135.63/310,710.33 = 57,377.43/x
  3. Step 3: Cross multiply
    207,135.63x = 310,710.33 × 57,377.43
  4. Step 4: Simplify right side
    207,135.63x = 17,827,760,209.85
  5. Step 5: Solve for x
    x = 17,827,760,209.85/207,135.63
  6. Step 6: Final answer
    x = 86,068.05

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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.