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Finding the Fourth Proportional to 248,497.84, 342,918.01 and 151,863.36

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Solution

The fourth proportional to 248,497.84, 342,918.01 and 151,863.36 is: 209,565.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,497.84 : 342,918.01 = 151,863.36 : x
  2. Step 2: Convert to fraction form
    248,497.84/342,918.01 = 151,863.36/x
  3. Step 3: Cross multiply
    248,497.84x = 342,918.01 × 151,863.36
  4. Step 4: Simplify right side
    248,497.84x = 52,076,680,443.80
  5. Step 5: Solve for x
    x = 52,076,680,443.80/248,497.84
  6. Step 6: Final answer
    x = 209,565.93

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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.