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Finding the Fourth Proportional to 103,523.60, 155,137.80 and 59,056.40

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Solution

The fourth proportional to 103,523.60, 155,137.80 and 59,056.40 is: 88,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,523.60 : 155,137.80 = 59,056.40 : x
  2. Step 2: Convert to fraction form
    103,523.60/155,137.80 = 59,056.40/x
  3. Step 3: Cross multiply
    103,523.60x = 155,137.80 × 59,056.40
  4. Step 4: Simplify right side
    103,523.60x = 9,161,879,971.92
  5. Step 5: Solve for x
    x = 9,161,879,971.92/103,523.60
  6. Step 6: Final answer
    x = 88,500.40

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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.