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Finding the Fourth Proportional to 172,623.04, 238,188 and 97,155.52

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Solution

The fourth proportional to 172,623.04, 238,188 and 97,155.52 is: 134,056.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,623.04 : 238,188 = 97,155.52 : x
  2. Step 2: Convert to fraction form
    172,623.04/238,188 = 97,155.52/x
  3. Step 3: Cross multiply
    172,623.04x = 238,188 × 97,155.52
  4. Step 4: Simplify right side
    172,623.04x = 23,141,278,997.76
  5. Step 5: Solve for x
    x = 23,141,278,997.76/172,623.04
  6. Step 6: Final answer
    x = 134,056.72

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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.