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Finding the Fourth Proportional to 103,376.16, 155,088 and 29,504.16

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Solution

The fourth proportional to 103,376.16, 155,088 and 29,504.16 is: 44,263.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,376.16 : 155,088 = 29,504.16 : x
  2. Step 2: Convert to fraction form
    103,376.16/155,088 = 29,504.16/x
  3. Step 3: Cross multiply
    103,376.16x = 155,088 × 29,504.16
  4. Step 4: Simplify right side
    103,376.16x = 4,575,741,166.08
  5. Step 5: Solve for x
    x = 4,575,741,166.08/103,376.16
  6. Step 6: Final answer
    x = 44,263.02

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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.