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Finding the Fourth Proportional to 170,294.16, 235,004.64 and 98,672.64

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Solution

The fourth proportional to 170,294.16, 235,004.64 and 98,672.64 is: 136,167.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,294.16 : 235,004.64 = 98,672.64 : x
  2. Step 2: Convert to fraction form
    170,294.16/235,004.64 = 98,672.64/x
  3. Step 3: Cross multiply
    170,294.16x = 235,004.64 × 98,672.64
  4. Step 4: Simplify right side
    170,294.16x = 23,188,528,241.05
  5. Step 5: Solve for x
    x = 23,188,528,241.05/170,294.16
  6. Step 6: Final answer
    x = 136,167.49

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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.