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Finding the Fourth Proportional to 93,494,273.20, 140,241,409.80 and 85,841,522.80

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Solution

The fourth proportional to 93,494,273.20, 140,241,409.80 and 85,841,522.80 is: 128,762,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,494,273.20 : 140,241,409.80 = 85,841,522.80 : x
  2. Step 2: Convert to fraction form
    93,494,273.20/140,241,409.80 = 85,841,522.80/x
  3. Step 3: Cross multiply
    93,494,273.20x = 140,241,409.80 × 85,841,522.80
  4. Step 4: Simplify right side
    93,494,273.20x = 12,038,536,176,850,844
  5. Step 5: Solve for x
    x = 12,038,536,176,850,844/93,494,273.20
  6. Step 6: Final answer
    x = 128,762,284.20

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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.