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Finding the Fourth Proportional to 183,801.78, 253,641.65 and 103,225.41

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Solution

The fourth proportional to 183,801.78, 253,641.65 and 103,225.41 is: 142,448.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,801.78 : 253,641.65 = 103,225.41 : x
  2. Step 2: Convert to fraction form
    183,801.78/253,641.65 = 103,225.41/x
  3. Step 3: Cross multiply
    183,801.78x = 253,641.65 × 103,225.41
  4. Step 4: Simplify right side
    183,801.78x = 26,182,262,798.20
  5. Step 5: Solve for x
    x = 26,182,262,798.20/183,801.78
  6. Step 6: Final answer
    x = 142,448.36

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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.