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Finding the Fourth Proportional to 167,051.76, 230,527.32 and 90,566.64

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Solution

The fourth proportional to 167,051.76, 230,527.32 and 90,566.64 is: 124,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,051.76 : 230,527.32 = 90,566.64 : x
  2. Step 2: Convert to fraction form
    167,051.76/230,527.32 = 90,566.64/x
  3. Step 3: Cross multiply
    167,051.76x = 230,527.32 × 90,566.64
  4. Step 4: Simplify right side
    167,051.76x = 20,878,084,800.60
  5. Step 5: Solve for x
    x = 20,878,084,800.60/167,051.76
  6. Step 6: Final answer
    x = 124,979.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.