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Finding the Fourth Proportional to 228,024.60, 342,036.90 and 61,812.60

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Solution

The fourth proportional to 228,024.60, 342,036.90 and 61,812.60 is: 92,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,024.60 : 342,036.90 = 61,812.60 : x
  2. Step 2: Convert to fraction form
    228,024.60/342,036.90 = 61,812.60/x
  3. Step 3: Cross multiply
    228,024.60x = 342,036.90 × 61,812.60
  4. Step 4: Simplify right side
    228,024.60x = 21,142,190,084.94
  5. Step 5: Solve for x
    x = 21,142,190,084.94/228,024.60
  6. Step 6: Final answer
    x = 92,718.90

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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.