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Finding the Fourth Proportional to 172,854.36, 260,842.66 and 167,529.33

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Solution

The fourth proportional to 172,854.36, 260,842.66 and 167,529.33 is: 252,807.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,854.36 : 260,842.66 = 167,529.33 : x
  2. Step 2: Convert to fraction form
    172,854.36/260,842.66 = 167,529.33/x
  3. Step 3: Cross multiply
    172,854.36x = 260,842.66 × 167,529.33
  4. Step 4: Simplify right side
    172,854.36x = 43,698,795,646.39
  5. Step 5: Solve for x
    x = 43,698,795,646.39/172,854.36
  6. Step 6: Final answer
    x = 252,807.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.