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Finding the Fourth Proportional to 171,644.90, 257,467.35 and 101,603.30

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Solution

The fourth proportional to 171,644.90, 257,467.35 and 101,603.30 is: 152,404.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,644.90 : 257,467.35 = 101,603.30 : x
  2. Step 2: Convert to fraction form
    171,644.90/257,467.35 = 101,603.30/x
  3. Step 3: Cross multiply
    171,644.90x = 257,467.35 × 101,603.30
  4. Step 4: Simplify right side
    171,644.90x = 26,159,532,402.26
  5. Step 5: Solve for x
    x = 26,159,532,402.26/171,644.90
  6. Step 6: Final answer
    x = 152,404.95

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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.