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Finding the Fourth Proportional to 172,935.76, 238,655.02 and 97,484.24

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Solution

The fourth proportional to 172,935.76, 238,655.02 and 97,484.24 is: 134,530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,935.76 : 238,655.02 = 97,484.24 : x
  2. Step 2: Convert to fraction form
    172,935.76/238,655.02 = 97,484.24/x
  3. Step 3: Cross multiply
    172,935.76x = 238,655.02 × 97,484.24
  4. Step 4: Simplify right side
    172,935.76x = 23,265,103,246.88
  5. Step 5: Solve for x
    x = 23,265,103,246.88/172,935.76
  6. Step 6: Final answer
    x = 134,530.32

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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.