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Finding the Fourth Proportional to 255,193.68, 382,649.04 and 103,253.52

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Solution

The fourth proportional to 255,193.68, 382,649.04 and 103,253.52 is: 154,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,193.68 : 382,649.04 = 103,253.52 : x
  2. Step 2: Convert to fraction form
    255,193.68/382,649.04 = 103,253.52/x
  3. Step 3: Cross multiply
    255,193.68x = 382,649.04 × 103,253.52
  4. Step 4: Simplify right side
    255,193.68x = 39,509,860,304.62
  5. Step 5: Solve for x
    x = 39,509,860,304.62/255,193.68
  6. Step 6: Final answer
    x = 154,823.04

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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.