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Finding the Fourth Proportional to 93,463,103.16, 128,978,473.50 and 52,209,634.68

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Solution

The fourth proportional to 93,463,103.16, 128,978,473.50 and 52,209,634.68 is: 72,048,955.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,463,103.16 : 128,978,473.50 = 52,209,634.68 : x
  2. Step 2: Convert to fraction form
    93,463,103.16/128,978,473.50 = 52,209,634.68/x
  3. Step 3: Cross multiply
    93,463,103.16x = 128,978,473.50 × 52,209,634.68
  4. Step 4: Simplify right side
    93,463,103.16x = 6,733,918,983,019,061
  5. Step 5: Solve for x
    x = 6,733,918,983,019,061/93,463,103.16
  6. Step 6: Final answer
    x = 72,048,955.74

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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.