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Finding the Fourth Proportional to 170,989.68, 235,965.48 and 94,514.64

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Solution

The fourth proportional to 170,989.68, 235,965.48 and 94,514.64 is: 130,430.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,989.68 : 235,965.48 = 94,514.64 : x
  2. Step 2: Convert to fraction form
    170,989.68/235,965.48 = 94,514.64/x
  3. Step 3: Cross multiply
    170,989.68x = 235,965.48 × 94,514.64
  4. Step 4: Simplify right side
    170,989.68x = 22,302,192,394.63
  5. Step 5: Solve for x
    x = 22,302,192,394.63/170,989.68
  6. Step 6: Final answer
    x = 130,430.05

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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.