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Finding the Fourth Proportional to 93,419,792.40, 140,129,688.60 and 50,373,071.40

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Solution

The fourth proportional to 93,419,792.40, 140,129,688.60 and 50,373,071.40 is: 75,559,607.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,419,792.40 : 140,129,688.60 = 50,373,071.40 : x
  2. Step 2: Convert to fraction form
    93,419,792.40/140,129,688.60 = 50,373,071.40/x
  3. Step 3: Cross multiply
    93,419,792.40x = 140,129,688.60 × 50,373,071.40
  4. Step 4: Simplify right side
    93,419,792.40x = 7,058,762,809,107,566
  5. Step 5: Solve for x
    x = 7,058,762,809,107,566/93,419,792.40
  6. Step 6: Final answer
    x = 75,559,607.10

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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.