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Finding the Fourth Proportional to 252,347.37, 348,239.70 and 137,626.26

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Solution

The fourth proportional to 252,347.37, 348,239.70 and 137,626.26 is: 189,924.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,347.37 : 348,239.70 = 137,626.26 : x
  2. Step 2: Convert to fraction form
    252,347.37/348,239.70 = 137,626.26/x
  3. Step 3: Cross multiply
    252,347.37x = 348,239.70 × 137,626.26
  4. Step 4: Simplify right side
    252,347.37x = 47,926,927,494.52
  5. Step 5: Solve for x
    x = 47,926,927,494.52/252,347.37
  6. Step 6: Final answer
    x = 189,924.42

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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.