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Finding the Fourth Proportional to 252,475.50, 348,415.67 and 137,754.07

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Solution

The fourth proportional to 252,475.50, 348,415.67 and 137,754.07 is: 190,100.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,475.50 : 348,415.67 = 137,754.07 : x
  2. Step 2: Convert to fraction form
    252,475.50/348,415.67 = 137,754.07/x
  3. Step 3: Cross multiply
    252,475.50x = 348,415.67 × 137,754.07
  4. Step 4: Simplify right side
    252,475.50x = 47,995,675,905.51
  5. Step 5: Solve for x
    x = 47,995,675,905.51/252,475.50
  6. Step 6: Final answer
    x = 190,100.33

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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.