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Finding the Fourth Proportional to 250,886.50, 346,223.22 and 141,988.86

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Solution

The fourth proportional to 250,886.50, 346,223.22 and 141,988.86 is: 195,944.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,886.50 : 346,223.22 = 141,988.86 : x
  2. Step 2: Convert to fraction form
    250,886.50/346,223.22 = 141,988.86/x
  3. Step 3: Cross multiply
    250,886.50x = 346,223.22 × 141,988.86
  4. Step 4: Simplify right side
    250,886.50x = 49,159,840,313.33
  5. Step 5: Solve for x
    x = 49,159,840,313.33/250,886.50
  6. Step 6: Final answer
    x = 195,944.54

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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.