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Finding the Fourth Proportional to 93,399,812.33, 139,978,197.49 and 38,003,088.32

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Solution

The fourth proportional to 93,399,812.33, 139,978,197.49 and 38,003,088.32 is: 56,955,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,399,812.33 : 139,978,197.49 = 38,003,088.32 : x
  2. Step 2: Convert to fraction form
    93,399,812.33/139,978,197.49 = 38,003,088.32/x
  3. Step 3: Cross multiply
    93,399,812.33x = 139,978,197.49 × 38,003,088.32
  4. Step 4: Simplify right side
    93,399,812.33x = 5,319,603,801,831,935
  5. Step 5: Solve for x
    x = 5,319,603,801,831,935/93,399,812.33
  6. Step 6: Final answer
    x = 56,955,187.27

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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.