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Finding the Fourth Proportional to 136,000.67, 187,602.68 and 84,924.72

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Solution

The fourth proportional to 136,000.67, 187,602.68 and 84,924.72 is: 117,147.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,000.67 : 187,602.68 = 84,924.72 : x
  2. Step 2: Convert to fraction form
    136,000.67/187,602.68 = 84,924.72/x
  3. Step 3: Cross multiply
    136,000.67x = 187,602.68 × 84,924.72
  4. Step 4: Simplify right side
    136,000.67x = 15,932,104,645.63
  5. Step 5: Solve for x
    x = 15,932,104,645.63/136,000.67
  6. Step 6: Final answer
    x = 117,147.26

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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.