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Finding the Fourth Proportional to 171,246.08, 256,886.40 and 64,603.28

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Solution

The fourth proportional to 171,246.08, 256,886.40 and 64,603.28 is: 96,911.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,246.08 : 256,886.40 = 64,603.28 : x
  2. Step 2: Convert to fraction form
    171,246.08/256,886.40 = 64,603.28/x
  3. Step 3: Cross multiply
    171,246.08x = 256,886.40 × 64,603.28
  4. Step 4: Simplify right side
    171,246.08x = 16,595,704,027.39
  5. Step 5: Solve for x
    x = 16,595,704,027.39/171,246.08
  6. Step 6: Final answer
    x = 96,911.44

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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.