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Finding the Fourth Proportional to 93,978,684.48, 140,784,843.60 and 52,912,598.16

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Solution

The fourth proportional to 93,978,684.48, 140,784,843.60 and 52,912,598.16 is: 79,265,760.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,978,684.48 : 140,784,843.60 = 52,912,598.16 : x
  2. Step 2: Convert to fraction form
    93,978,684.48/140,784,843.60 = 52,912,598.16/x
  3. Step 3: Cross multiply
    93,978,684.48x = 140,784,843.60 × 52,912,598.16
  4. Step 4: Simplify right side
    93,978,684.48x = 7,449,291,856,425,247
  5. Step 5: Solve for x
    x = 7,449,291,856,425,247/93,978,684.48
  6. Step 6: Final answer
    x = 79,265,760.08

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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.