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Finding the Fourth Proportional to 170,873.10, 256,337.37 and 64,265.40

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Solution

The fourth proportional to 170,873.10, 256,337.37 and 64,265.40 is: 96,408.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,873.10 : 256,337.37 = 64,265.40 : x
  2. Step 2: Convert to fraction form
    170,873.10/256,337.37 = 64,265.40/x
  3. Step 3: Cross multiply
    170,873.10x = 256,337.37 × 64,265.40
  4. Step 4: Simplify right side
    170,873.10x = 16,473,623,618.00
  5. Step 5: Solve for x
    x = 16,473,623,618.00/170,873.10
  6. Step 6: Final answer
    x = 96,408.53

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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.