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Finding the Fourth Proportional to 113,925.92, 170,925.44 and 54,765.92

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Solution

The fourth proportional to 113,925.92, 170,925.44 and 54,765.92 is: 82,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,925.92 : 170,925.44 = 54,765.92 : x
  2. Step 2: Convert to fraction form
    113,925.92/170,925.44 = 54,765.92/x
  3. Step 3: Cross multiply
    113,925.92x = 170,925.44 × 54,765.92
  4. Step 4: Simplify right side
    113,925.92x = 9,360,888,973.00
  5. Step 5: Solve for x
    x = 9,360,888,973.00/113,925.92
  6. Step 6: Final answer
    x = 82,166.45

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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.