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Finding the Fourth Proportional to 93,463,104.16, 128,978,474.88 and 52,209,635.68

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Solution

The fourth proportional to 93,463,104.16, 128,978,474.88 and 52,209,635.68 is: 72,048,957.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,463,104.16 : 128,978,474.88 = 52,209,635.68 : x
  2. Step 2: Convert to fraction form
    93,463,104.16/128,978,474.88 = 52,209,635.68/x
  3. Step 3: Cross multiply
    93,463,104.16x = 128,978,474.88 × 52,209,635.68
  4. Step 4: Simplify right side
    93,463,104.16x = 6,733,919,184,046,831
  5. Step 5: Solve for x
    x = 6,733,919,184,046,831/93,463,104.16
  6. Step 6: Final answer
    x = 72,048,957.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.