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Finding the Fourth Proportional to 250,886.38, 346,223.06 and 141,988.71

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Solution

The fourth proportional to 250,886.38, 346,223.06 and 141,988.71 is: 195,944.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,886.38 : 346,223.06 = 141,988.71 : x
  2. Step 2: Convert to fraction form
    250,886.38/346,223.06 = 141,988.71/x
  3. Step 3: Cross multiply
    250,886.38x = 346,223.06 × 141,988.71
  4. Step 4: Simplify right side
    250,886.38x = 49,159,766,782.50
  5. Step 5: Solve for x
    x = 49,159,766,782.50/250,886.38
  6. Step 6: Final answer
    x = 195,944.34

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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.