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Finding the Fourth Proportional to 118,694.80, 163,784.28 and 94,557.24

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Solution

The fourth proportional to 118,694.80, 163,784.28 and 94,557.24 is: 130,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,694.80 : 163,784.28 = 94,557.24 : x
  2. Step 2: Convert to fraction form
    118,694.80/163,784.28 = 94,557.24/x
  3. Step 3: Cross multiply
    118,694.80x = 163,784.28 × 94,557.24
  4. Step 4: Simplify right side
    118,694.80x = 15,486,989,472.19
  5. Step 5: Solve for x
    x = 15,486,989,472.19/118,694.80
  6. Step 6: Final answer
    x = 130,477.40

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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.