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Finding the Fourth Proportional to 103,416.46, 155,124.69 and 29,544.46

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Solution

The fourth proportional to 103,416.46, 155,124.69 and 29,544.46 is: 44,316.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,416.46 : 155,124.69 = 29,544.46 : x
  2. Step 2: Convert to fraction form
    103,416.46/155,124.69 = 29,544.46/x
  3. Step 3: Cross multiply
    103,416.46x = 155,124.69 × 29,544.46
  4. Step 4: Simplify right side
    103,416.46x = 4,583,075,198.72
  5. Step 5: Solve for x
    x = 4,583,075,198.72/103,416.46
  6. Step 6: Final answer
    x = 44,316.69

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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.