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Finding the Fourth Proportional to 116,963.40, 175,329.90 and 57,808.20

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Solution

The fourth proportional to 116,963.40, 175,329.90 and 57,808.20 is: 86,655.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,963.40 : 175,329.90 = 57,808.20 : x
  2. Step 2: Convert to fraction form
    116,963.40/175,329.90 = 57,808.20/x
  3. Step 3: Cross multiply
    116,963.40x = 175,329.90 × 57,808.20
  4. Step 4: Simplify right side
    116,963.40x = 10,135,505,925.18
  5. Step 5: Solve for x
    x = 10,135,505,925.18/116,963.40
  6. Step 6: Final answer
    x = 86,655.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.