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Finding the Fourth Proportional to 98,051.88, 147,058.46 and 26,956.17

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Solution

The fourth proportional to 98,051.88, 147,058.46 and 26,956.17 is: 40,428.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,051.88 : 147,058.46 = 26,956.17 : x
  2. Step 2: Convert to fraction form
    98,051.88/147,058.46 = 26,956.17/x
  3. Step 3: Cross multiply
    98,051.88x = 147,058.46 × 26,956.17
  4. Step 4: Simplify right side
    98,051.88x = 3,964,132,712.92
  5. Step 5: Solve for x
    x = 3,964,132,712.92/98,051.88
  6. Step 6: Final answer
    x = 40,428.93

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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.