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Finding the Fourth Proportional to 250,300.01, 345,411.15 and 135,576.47

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Solution

The fourth proportional to 250,300.01, 345,411.15 and 135,576.47 is: 187,093.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,300.01 : 345,411.15 = 135,576.47 : x
  2. Step 2: Convert to fraction form
    250,300.01/345,411.15 = 135,576.47/x
  3. Step 3: Cross multiply
    250,300.01x = 345,411.15 × 135,576.47
  4. Step 4: Simplify right side
    250,300.01x = 46,829,624,415.64
  5. Step 5: Solve for x
    x = 46,829,624,415.64/250,300.01
  6. Step 6: Final answer
    x = 187,093.98

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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.