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Finding the Fourth Proportional to 103,483.32, 155,220.66 and 29,611.32

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Solution

The fourth proportional to 103,483.32, 155,220.66 and 29,611.32 is: 44,415.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,483.32 : 155,220.66 = 29,611.32 : x
  2. Step 2: Convert to fraction form
    103,483.32/155,220.66 = 29,611.32/x
  3. Step 3: Cross multiply
    103,483.32x = 155,220.66 × 29,611.32
  4. Step 4: Simplify right side
    103,483.32x = 4,596,288,633.87
  5. Step 5: Solve for x
    x = 4,596,288,633.87/103,483.32
  6. Step 6: Final answer
    x = 44,415.74

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1.5x scale

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.