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Finding the Fourth Proportional to 103,522.60, 155,136.30 and 59,055.40

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Solution

The fourth proportional to 103,522.60, 155,136.30 and 59,055.40 is: 88,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,522.60 : 155,136.30 = 59,055.40 : x
  2. Step 2: Convert to fraction form
    103,522.60/155,136.30 = 59,055.40/x
  3. Step 3: Cross multiply
    103,522.60x = 155,136.30 × 59,055.40
  4. Step 4: Simplify right side
    103,522.60x = 9,161,636,251.02
  5. Step 5: Solve for x
    x = 9,161,636,251.02/103,522.60
  6. Step 6: Final answer
    x = 88,498.90

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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.