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Finding the Fourth Proportional to 170,695.07, 235,449.55 and 103,627.07

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Solution

The fourth proportional to 170,695.07, 235,449.55 and 103,627.07 is: 142,938.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,695.07 : 235,449.55 = 103,627.07 : x
  2. Step 2: Convert to fraction form
    170,695.07/235,449.55 = 103,627.07/x
  3. Step 3: Cross multiply
    170,695.07x = 235,449.55 × 103,627.07
  4. Step 4: Simplify right side
    170,695.07x = 24,398,946,999.32
  5. Step 5: Solve for x
    x = 24,398,946,999.32/170,695.07
  6. Step 6: Final answer
    x = 142,938.79

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1.5x scale

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.