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Finding the Fourth Proportional to 253,645.25, 350,030.77 and 146,222.53

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Solution

The fourth proportional to 253,645.25, 350,030.77 and 146,222.53 is: 201,787.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,645.25 : 350,030.77 = 146,222.53 : x
  2. Step 2: Convert to fraction form
    253,645.25/350,030.77 = 146,222.53/x
  3. Step 3: Cross multiply
    253,645.25x = 350,030.77 × 146,222.53
  4. Step 4: Simplify right side
    253,645.25x = 51,182,383,526.61
  5. Step 5: Solve for x
    x = 51,182,383,526.61/253,645.25
  6. Step 6: Final answer
    x = 201,787.28

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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.