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Finding the Fourth Proportional to 102,196.56, 141,031.27 and 57,484.56

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Solution

The fourth proportional to 102,196.56, 141,031.27 and 57,484.56 is: 79,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,196.56 : 141,031.27 = 57,484.56 : x
  2. Step 2: Convert to fraction form
    102,196.56/141,031.27 = 57,484.56/x
  3. Step 3: Cross multiply
    102,196.56x = 141,031.27 × 57,484.56
  4. Step 4: Simplify right side
    102,196.56x = 8,107,120,502.19
  5. Step 5: Solve for x
    x = 8,107,120,502.19/102,196.56
  6. Step 6: Final answer
    x = 79,328.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.