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Finding the Fourth Proportional to 170,308, 255,579.36 and 59,500

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Solution

The fourth proportional to 170,308, 255,579.36 and 59,500 is: 89,291.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,308 : 255,579.36 = 59,500 : x
  2. Step 2: Convert to fraction form
    170,308/255,579.36 = 59,500/x
  3. Step 3: Cross multiply
    170,308x = 255,579.36 × 59,500
  4. Step 4: Simplify right side
    170,308x = 15,206,971,920
  5. Step 5: Solve for x
    x = 15,206,971,920/170,308
  6. Step 6: Final answer
    x = 89,291.00

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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.