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Finding the Fourth Proportional to 170,658.90, 255,970.59 and 45,992.34

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Solution

The fourth proportional to 170,658.90, 255,970.59 and 45,992.34 is: 68,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,658.90 : 255,970.59 = 45,992.34 : x
  2. Step 2: Convert to fraction form
    170,658.90/255,970.59 = 45,992.34/x
  3. Step 3: Cross multiply
    170,658.90x = 255,970.59 × 45,992.34
  4. Step 4: Simplify right side
    170,658.90x = 11,772,686,405.28
  5. Step 5: Solve for x
    x = 11,772,686,405.28/170,658.90
  6. Step 6: Final answer
    x = 68,983.72

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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.