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Finding the Fourth Proportional to 252,573.21, 348,551.78 and 137,852.91

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Solution

The fourth proportional to 252,573.21, 348,551.78 and 137,852.91 is: 190,237.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,573.21 : 348,551.78 = 137,852.91 : x
  2. Step 2: Convert to fraction form
    252,573.21/348,551.78 = 137,852.91/x
  3. Step 3: Cross multiply
    252,573.21x = 348,551.78 × 137,852.91
  4. Step 4: Simplify right side
    252,573.21x = 48,048,877,158.68
  5. Step 5: Solve for x
    x = 48,048,877,158.68/252,573.21
  6. Step 6: Final answer
    x = 190,237.43

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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.