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Finding the Fourth Proportional to 171,714.24, 257,372.28 and 65,030.40

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Solution

The fourth proportional to 171,714.24, 257,372.28 and 65,030.40 is: 97,470.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,714.24 : 257,372.28 = 65,030.40 : x
  2. Step 2: Convert to fraction form
    171,714.24/257,372.28 = 65,030.40/x
  3. Step 3: Cross multiply
    171,714.24x = 257,372.28 × 65,030.40
  4. Step 4: Simplify right side
    171,714.24x = 16,737,022,317.31
  5. Step 5: Solve for x
    x = 16,737,022,317.31/171,714.24
  6. Step 6: Final answer
    x = 97,470.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.