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Finding the Fourth Proportional to 170,704.07, 235,461.97 and 103,636.07

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Solution

The fourth proportional to 170,704.07, 235,461.97 and 103,636.07 is: 142,951.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,704.07 : 235,461.97 = 103,636.07 : x
  2. Step 2: Convert to fraction form
    170,704.07/235,461.97 = 103,636.07/x
  3. Step 3: Cross multiply
    170,704.07x = 235,461.97 × 103,636.07
  4. Step 4: Simplify right side
    170,704.07x = 24,402,353,205.26
  5. Step 5: Solve for x
    x = 24,402,353,205.26/170,704.07
  6. Step 6: Final answer
    x = 142,951.21

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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.