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Finding the Fourth Proportional to 187,113.60, 262,512 and 187,113.60

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Solution

The fourth proportional to 187,113.60, 262,512 and 187,113.60 is: 262,512

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,113.60 : 262,512 = 187,113.60 : x
  2. Step 2: Convert to fraction form
    187,113.60/262,512 = 187,113.60/x
  3. Step 3: Cross multiply
    187,113.60x = 262,512 × 187,113.60
  4. Step 4: Simplify right side
    187,113.60x = 49,119,565,363.20
  5. Step 5: Solve for x
    x = 49,119,565,363.20/187,113.60
  6. Step 6: Final answer
    x = 262,512

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.