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Finding the Fourth Proportional to 93,889,102.80, 140,644,697.40 and 65,167,669.20

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Solution

The fourth proportional to 93,889,102.80, 140,644,697.40 and 65,167,669.20 is: 97,620,350.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,889,102.80 : 140,644,697.40 = 65,167,669.20 : x
  2. Step 2: Convert to fraction form
    93,889,102.80/140,644,697.40 = 65,167,669.20/x
  3. Step 3: Cross multiply
    93,889,102.80x = 140,644,697.40 × 65,167,669.20
  4. Step 4: Simplify right side
    93,889,102.80x = 9,165,487,114,897,300
  5. Step 5: Solve for x
    x = 9,165,487,114,897,300/93,889,102.80
  6. Step 6: Final answer
    x = 97,620,350.41

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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.