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Finding the Fourth Proportional to 207,573.51, 310,222.98 and 151,531.64

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Solution

The fourth proportional to 207,573.51, 310,222.98 and 151,531.64 is: 226,467.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,573.51 : 310,222.98 = 151,531.64 : x
  2. Step 2: Convert to fraction form
    207,573.51/310,222.98 = 151,531.64/x
  3. Step 3: Cross multiply
    207,573.51x = 310,222.98 × 151,531.64
  4. Step 4: Simplify right side
    207,573.51x = 47,008,594,805.73
  5. Step 5: Solve for x
    x = 47,008,594,805.73/207,573.51
  6. Step 6: Final answer
    x = 226,467.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.