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Finding the Fourth Proportional to 248,068.56, 371,807.44 and 172,781.22

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Solution

The fourth proportional to 248,068.56, 371,807.44 and 172,781.22 is: 258,966.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,068.56 : 371,807.44 = 172,781.22 : x
  2. Step 2: Convert to fraction form
    248,068.56/371,807.44 = 172,781.22/x
  3. Step 3: Cross multiply
    248,068.56x = 371,807.44 × 172,781.22
  4. Step 4: Simplify right side
    248,068.56x = 64,241,343,088.28
  5. Step 5: Solve for x
    x = 64,241,343,088.28/248,068.56
  6. Step 6: Final answer
    x = 258,966.08

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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.