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Finding the Fourth Proportional to 170,523.56, 235,328.10 and 94,046

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Solution

The fourth proportional to 170,523.56, 235,328.10 and 94,046 is: 129,786.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,523.56 : 235,328.10 = 94,046 : x
  2. Step 2: Convert to fraction form
    170,523.56/235,328.10 = 94,046/x
  3. Step 3: Cross multiply
    170,523.56x = 235,328.10 × 94,046
  4. Step 4: Simplify right side
    170,523.56x = 22,131,666,492.60
  5. Step 5: Solve for x
    x = 22,131,666,492.60/170,523.56
  6. Step 6: Final answer
    x = 129,786.56

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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.