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Finding the Fourth Proportional to 171,697,233.60, 257,457,376.80 and 63,936,388.80

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Solution

The fourth proportional to 171,697,233.60, 257,457,376.80 and 63,936,388.80 is: 95,871,637.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,697,233.60 : 257,457,376.80 = 63,936,388.80 : x
  2. Step 2: Convert to fraction form
    171,697,233.60/257,457,376.80 = 63,936,388.80/x
  3. Step 3: Cross multiply
    171,697,233.60x = 257,457,376.80 × 63,936,388.80
  4. Step 4: Simplify right side
    171,697,233.60x = 16,460,894,942,512,900
  5. Step 5: Solve for x
    x = 16,460,894,942,512,900/171,697,233.60
  6. Step 6: Final answer
    x = 95,871,637.52

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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.