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Finding the Fourth Proportional to 250,240.68, 375,381.52 and 72,747.51

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Solution

The fourth proportional to 250,240.68, 375,381.52 and 72,747.51 is: 109,127.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,240.68 : 375,381.52 = 72,747.51 : x
  2. Step 2: Convert to fraction form
    250,240.68/375,381.52 = 72,747.51/x
  3. Step 3: Cross multiply
    250,240.68x = 375,381.52 × 72,747.51
  4. Step 4: Simplify right side
    250,240.68x = 27,308,070,880.02
  5. Step 5: Solve for x
    x = 27,308,070,880.02/250,240.68
  6. Step 6: Final answer
    x = 109,127.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.