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Finding the Fourth Proportional to 97,701.94, 134,828.68 and 55,259.56

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Solution

The fourth proportional to 97,701.94, 134,828.68 and 55,259.56 is: 76,258.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,701.94 : 134,828.68 = 55,259.56 : x
  2. Step 2: Convert to fraction form
    97,701.94/134,828.68 = 55,259.56/x
  3. Step 3: Cross multiply
    97,701.94x = 134,828.68 × 55,259.56
  4. Step 4: Simplify right side
    97,701.94x = 7,450,573,056.96
  5. Step 5: Solve for x
    x = 7,450,573,056.96/97,701.94
  6. Step 6: Final answer
    x = 76,258.19

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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.