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Finding the Fourth Proportional to 170,293.50, 235,012.32 and 94,842

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Solution

The fourth proportional to 170,293.50, 235,012.32 and 94,842 is: 130,886.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,293.50 : 235,012.32 = 94,842 : x
  2. Step 2: Convert to fraction form
    170,293.50/235,012.32 = 94,842/x
  3. Step 3: Cross multiply
    170,293.50x = 235,012.32 × 94,842
  4. Step 4: Simplify right side
    170,293.50x = 22,289,038,453.44
  5. Step 5: Solve for x
    x = 22,289,038,453.44/170,293.50
  6. Step 6: Final answer
    x = 130,886.02

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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.