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Finding the Fourth Proportional to 97,308.60, 134,289.68 and 54,866.24

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Solution

The fourth proportional to 97,308.60, 134,289.68 and 54,866.24 is: 75,717.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,308.60 : 134,289.68 = 54,866.24 : x
  2. Step 2: Convert to fraction form
    97,308.60/134,289.68 = 54,866.24/x
  3. Step 3: Cross multiply
    97,308.60x = 134,289.68 × 54,866.24
  4. Step 4: Simplify right side
    97,308.60x = 7,367,969,812.40
  5. Step 5: Solve for x
    x = 7,367,969,812.40/97,308.60
  6. Step 6: Final answer
    x = 75,717.56

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1.5x scale

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.