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Finding the Fourth Proportional to 172,851.22, 238,526.13 and 97,404.58

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Solution

The fourth proportional to 172,851.22, 238,526.13 and 97,404.58 is: 134,413.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,851.22 : 238,526.13 = 97,404.58 : x
  2. Step 2: Convert to fraction form
    172,851.22/238,526.13 = 97,404.58/x
  3. Step 3: Cross multiply
    172,851.22x = 238,526.13 × 97,404.58
  4. Step 4: Simplify right side
    172,851.22x = 23,233,537,511.68
  5. Step 5: Solve for x
    x = 23,233,537,511.68/172,851.22
  6. Step 6: Final answer
    x = 134,413.50

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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.