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Finding the Fourth Proportional to 255,583.94, 352,691.43 and 140,862.22

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Solution

The fourth proportional to 255,583.94, 352,691.43 and 140,862.22 is: 194,381.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,583.94 : 352,691.43 = 140,862.22 : x
  2. Step 2: Convert to fraction form
    255,583.94/352,691.43 = 140,862.22/x
  3. Step 3: Cross multiply
    255,583.94x = 352,691.43 × 140,862.22
  4. Step 4: Simplify right side
    255,583.94x = 49,680,897,804.77
  5. Step 5: Solve for x
    x = 49,680,897,804.77/255,583.94
  6. Step 6: Final answer
    x = 194,381.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.