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Finding the Fourth Proportional to 171,457.19, 236,614.28 and 102,617.54

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Solution

The fourth proportional to 171,457.19, 236,614.28 and 102,617.54 is: 141,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,457.19 : 236,614.28 = 102,617.54 : x
  2. Step 2: Convert to fraction form
    171,457.19/236,614.28 = 102,617.54/x
  3. Step 3: Cross multiply
    171,457.19x = 236,614.28 × 102,617.54
  4. Step 4: Simplify right side
    171,457.19x = 24,280,773,646.31
  5. Step 5: Solve for x
    x = 24,280,773,646.31/171,457.19
  6. Step 6: Final answer
    x = 141,614.21

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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.