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Finding the Fourth Proportional to 113,313.40, 170,101.05 and 60,825.40

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Solution

The fourth proportional to 113,313.40, 170,101.05 and 60,825.40 is: 91,308.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,313.40 : 170,101.05 = 60,825.40 : x
  2. Step 2: Convert to fraction form
    113,313.40/170,101.05 = 60,825.40/x
  3. Step 3: Cross multiply
    113,313.40x = 170,101.05 × 60,825.40
  4. Step 4: Simplify right side
    113,313.40x = 10,346,464,406.67
  5. Step 5: Solve for x
    x = 10,346,464,406.67/113,313.40
  6. Step 6: Final answer
    x = 91,308.39

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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.