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Finding the Fourth Proportional to 170,597.63, 235,348.65 and 98,936.12

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Solution

The fourth proportional to 170,597.63, 235,348.65 and 98,936.12 is: 136,487.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,597.63 : 235,348.65 = 98,936.12 : x
  2. Step 2: Convert to fraction form
    170,597.63/235,348.65 = 98,936.12/x
  3. Step 3: Cross multiply
    170,597.63x = 235,348.65 × 98,936.12
  4. Step 4: Simplify right side
    170,597.63x = 23,284,481,101.49
  5. Step 5: Solve for x
    x = 23,284,481,101.49/170,597.63
  6. Step 6: Final answer
    x = 136,487.72

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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.