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Finding the Fourth Proportional to 250,703.63, 345,950.44 and 137,526.38

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Solution

The fourth proportional to 250,703.63, 345,950.44 and 137,526.38 is: 189,775.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,703.63 : 345,950.44 = 137,526.38 : x
  2. Step 2: Convert to fraction form
    250,703.63/345,950.44 = 137,526.38/x
  3. Step 3: Cross multiply
    250,703.63x = 345,950.44 × 137,526.38
  4. Step 4: Simplify right side
    250,703.63x = 47,577,311,672.61
  5. Step 5: Solve for x
    x = 47,577,311,672.61/250,703.63
  6. Step 6: Final answer
    x = 189,775.12

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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.