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Finding the Fourth Proportional to 98,170.72, 147,477.51 and 58,755.51

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Solution

The fourth proportional to 98,170.72, 147,477.51 and 58,755.51 is: 88,265.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,170.72 : 147,477.51 = 58,755.51 : x
  2. Step 2: Convert to fraction form
    98,170.72/147,477.51 = 58,755.51/x
  3. Step 3: Cross multiply
    98,170.72x = 147,477.51 × 58,755.51
  4. Step 4: Simplify right side
    98,170.72x = 8,665,116,313.58
  5. Step 5: Solve for x
    x = 8,665,116,313.58/98,170.72
  6. Step 6: Final answer
    x = 88,265.79

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1.5x scale

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.