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Finding the Fourth Proportional to 88,955.31, 122,809.10 and 58,828.02

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Solution

The fourth proportional to 88,955.31, 122,809.10 and 58,828.02 is: 81,216.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,955.31 : 122,809.10 = 58,828.02 : x
  2. Step 2: Convert to fraction form
    88,955.31/122,809.10 = 58,828.02/x
  3. Step 3: Cross multiply
    88,955.31x = 122,809.10 × 58,828.02
  4. Step 4: Simplify right side
    88,955.31x = 7,224,615,896.84
  5. Step 5: Solve for x
    x = 7,224,615,896.84/88,955.31
  6. Step 6: Final answer
    x = 81,216.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.