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Finding the Fourth Proportional to 250,967.61, 346,335.93 and 137,797.65

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Solution

The fourth proportional to 250,967.61, 346,335.93 and 137,797.65 is: 190,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,967.61 : 346,335.93 = 137,797.65 : x
  2. Step 2: Convert to fraction form
    250,967.61/346,335.93 = 137,797.65/x
  3. Step 3: Cross multiply
    250,967.61x = 346,335.93 × 137,797.65
  4. Step 4: Simplify right side
    250,967.61x = 47,724,277,264.56
  5. Step 5: Solve for x
    x = 47,724,277,264.56/250,967.61
  6. Step 6: Final answer
    x = 190,161.10

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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.