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Finding the Fourth Proportional to 252,347.87, 348,240.39 and 137,626.76

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Solution

The fourth proportional to 252,347.87, 348,240.39 and 137,626.76 is: 189,925.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,347.87 : 348,240.39 = 137,626.76 : x
  2. Step 2: Convert to fraction form
    252,347.87/348,240.39 = 137,626.76/x
  3. Step 3: Cross multiply
    252,347.87x = 348,240.39 × 137,626.76
  4. Step 4: Simplify right side
    252,347.87x = 47,927,196,576.84
  5. Step 5: Solve for x
    x = 47,927,196,576.84/252,347.87
  6. Step 6: Final answer
    x = 189,925.11

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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.