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Finding the Fourth Proportional to 94,551.36, 130,654.80 and 69,014.40

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Solution

The fourth proportional to 94,551.36, 130,654.80 and 69,014.40 is: 95,366.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,551.36 : 130,654.80 = 69,014.40 : x
  2. Step 2: Convert to fraction form
    94,551.36/130,654.80 = 69,014.40/x
  3. Step 3: Cross multiply
    94,551.36x = 130,654.80 × 69,014.40
  4. Step 4: Simplify right side
    94,551.36x = 9,017,062,629.12
  5. Step 5: Solve for x
    x = 9,017,062,629.12/94,551.36
  6. Step 6: Final answer
    x = 95,366.82

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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.