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Finding the Fourth Proportional to 103,483.57, 155,221.03 and 29,611.57

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Solution

The fourth proportional to 103,483.57, 155,221.03 and 29,611.57 is: 44,416.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,483.57 : 155,221.03 = 29,611.57 : x
  2. Step 2: Convert to fraction form
    103,483.57/155,221.03 = 29,611.57/x
  3. Step 3: Cross multiply
    103,483.57x = 155,221.03 × 29,611.57
  4. Step 4: Simplify right side
    103,483.57x = 4,596,338,395.32
  5. Step 5: Solve for x
    x = 4,596,338,395.32/103,483.57
  6. Step 6: Final answer
    x = 44,416.12

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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.