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Finding the Fourth Proportional to 526,661.16, 789,925.16 and 166,868.52

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Solution

The fourth proportional to 526,661.16, 789,925.16 and 166,868.52 is: 250,281.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,661.16 : 789,925.16 = 166,868.52 : x
  2. Step 2: Convert to fraction form
    526,661.16/789,925.16 = 166,868.52/x
  3. Step 3: Cross multiply
    526,661.16x = 789,925.16 × 166,868.52
  4. Step 4: Simplify right side
    526,661.16x = 131,813,643,945.37
  5. Step 5: Solve for x
    x = 131,813,643,945.37/526,661.16
  6. Step 6: Final answer
    x = 250,281.69

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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.