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Finding the Fourth Proportional to 170,259.08, 255,084.90 and 103,664.84

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Solution

The fourth proportional to 170,259.08, 255,084.90 and 103,664.84 is: 155,312.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,259.08 : 255,084.90 = 103,664.84 : x
  2. Step 2: Convert to fraction form
    170,259.08/255,084.90 = 103,664.84/x
  3. Step 3: Cross multiply
    170,259.08x = 255,084.90 × 103,664.84
  4. Step 4: Simplify right side
    170,259.08x = 26,443,335,344.92
  5. Step 5: Solve for x
    x = 26,443,335,344.92/170,259.08
  6. Step 6: Final answer
    x = 155,312.34

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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.