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Finding the Fourth Proportional to 251,955.53, 347,706.59 and 137,237.62

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Solution

The fourth proportional to 251,955.53, 347,706.59 and 137,237.62 is: 189,392.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,955.53 : 347,706.59 = 137,237.62 : x
  2. Step 2: Convert to fraction form
    251,955.53/347,706.59 = 137,237.62/x
  3. Step 3: Cross multiply
    251,955.53x = 347,706.59 × 137,237.62
  4. Step 4: Simplify right side
    251,955.53x = 47,718,424,343.74
  5. Step 5: Solve for x
    x = 47,718,424,343.74/251,955.53
  6. Step 6: Final answer
    x = 189,392.25

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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.