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Finding the Fourth Proportional to 88,114.79, 121,598.52 and 47,828.53

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Solution

The fourth proportional to 88,114.79, 121,598.52 and 47,828.53 is: 66,003.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,114.79 : 121,598.52 = 47,828.53 : x
  2. Step 2: Convert to fraction form
    88,114.79/121,598.52 = 47,828.53/x
  3. Step 3: Cross multiply
    88,114.79x = 121,598.52 × 47,828.53
  4. Step 4: Simplify right side
    88,114.79x = 5,815,877,750.43
  5. Step 5: Solve for x
    x = 5,815,877,750.43/88,114.79
  6. Step 6: Final answer
    x = 66,003.43

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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.