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Finding the Fourth Proportional to 103,484.58, 155,222.52 and 29,612.58

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Solution

The fourth proportional to 103,484.58, 155,222.52 and 29,612.58 is: 44,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,484.58 : 155,222.52 = 29,612.58 : x
  2. Step 2: Convert to fraction form
    103,484.58/155,222.52 = 29,612.58/x
  3. Step 3: Cross multiply
    103,484.58x = 155,222.52 × 29,612.58
  4. Step 4: Simplify right side
    103,484.58x = 4,596,539,291.30
  5. Step 5: Solve for x
    x = 4,596,539,291.30/103,484.58
  6. Step 6: Final answer
    x = 44,417.63

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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.