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Finding the Fourth Proportional to 101,953.76, 153,024.04 and 54,622.28

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Solution

The fourth proportional to 101,953.76, 153,024.04 and 54,622.28 is: 81,983.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,953.76 : 153,024.04 = 54,622.28 : x
  2. Step 2: Convert to fraction form
    101,953.76/153,024.04 = 54,622.28/x
  3. Step 3: Cross multiply
    101,953.76x = 153,024.04 × 54,622.28
  4. Step 4: Simplify right side
    101,953.76x = 8,358,521,959.61
  5. Step 5: Solve for x
    x = 8,358,521,959.61/101,953.76
  6. Step 6: Final answer
    x = 81,983.46

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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.