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Finding the Fourth Proportional to 170,830.96, 255,847.62 and 135,051.86

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Solution

The fourth proportional to 170,830.96, 255,847.62 and 135,051.86 is: 202,262.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,830.96 : 255,847.62 = 135,051.86 : x
  2. Step 2: Convert to fraction form
    170,830.96/255,847.62 = 135,051.86/x
  3. Step 3: Cross multiply
    170,830.96x = 255,847.62 × 135,051.86
  4. Step 4: Simplify right side
    170,830.96x = 34,552,696,957.57
  5. Step 5: Solve for x
    x = 34,552,696,957.57/170,830.96
  6. Step 6: Final answer
    x = 202,262.50

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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.