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Finding the Fourth Proportional to 255,010.98, 351,893.46 and 147,587.67

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Solution

The fourth proportional to 255,010.98, 351,893.46 and 147,587.67 is: 203,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,010.98 : 351,893.46 = 147,587.67 : x
  2. Step 2: Convert to fraction form
    255,010.98/351,893.46 = 147,587.67/x
  3. Step 3: Cross multiply
    255,010.98x = 351,893.46 × 147,587.67
  4. Step 4: Simplify right side
    255,010.98x = 51,935,136,403.09
  5. Step 5: Solve for x
    x = 51,935,136,403.09/255,010.98
  6. Step 6: Final answer
    x = 203,658.43

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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.