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Finding the Fourth Proportional to 170,890.00, 256,341.16 and 64,264.19

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Solution

The fourth proportional to 170,890.00, 256,341.16 and 64,264.19 is: 96,398.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,890.00 : 256,341.16 = 64,264.19 : x
  2. Step 2: Convert to fraction form
    170,890.00/256,341.16 = 64,264.19/x
  3. Step 3: Cross multiply
    170,890.00x = 256,341.16 × 64,264.19
  4. Step 4: Simplify right side
    170,890.00x = 16,473,555,448.20
  5. Step 5: Solve for x
    x = 16,473,555,448.20/170,890.00
  6. Step 6: Final answer
    x = 96,398.59

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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.