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Finding the Fourth Proportional to 172,897.62, 238,605.39 and 97,444.50

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Solution

The fourth proportional to 172,897.62, 238,605.39 and 97,444.50 is: 134,477.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,897.62 : 238,605.39 = 97,444.50 : x
  2. Step 2: Convert to fraction form
    172,897.62/238,605.39 = 97,444.50/x
  3. Step 3: Cross multiply
    172,897.62x = 238,605.39 × 97,444.50
  4. Step 4: Simplify right side
    172,897.62x = 23,250,782,925.86
  5. Step 5: Solve for x
    x = 23,250,782,925.86/172,897.62
  6. Step 6: Final answer
    x = 134,477.17

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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.