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Finding the Fourth Proportional to 250,084.32, 345,116.32 and 136,907.07

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Solution

The fourth proportional to 250,084.32, 345,116.32 and 136,907.07 is: 188,931.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,084.32 : 345,116.32 = 136,907.07 : x
  2. Step 2: Convert to fraction form
    250,084.32/345,116.32 = 136,907.07/x
  3. Step 3: Cross multiply
    250,084.32x = 345,116.32 × 136,907.07
  4. Step 4: Simplify right side
    250,084.32x = 47,248,864,180.38
  5. Step 5: Solve for x
    x = 47,248,864,180.38/250,084.32
  6. Step 6: Final answer
    x = 188,931.73

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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.