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Finding the Fourth Proportional to 137,245.36, 187,669.16 and 137,245.36

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Solution

The fourth proportional to 137,245.36, 187,669.16 and 137,245.36 is: 187,669.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,245.36 : 187,669.16 = 137,245.36 : x
  2. Step 2: Convert to fraction form
    137,245.36/187,669.16 = 137,245.36/x
  3. Step 3: Cross multiply
    137,245.36x = 187,669.16 × 137,245.36
  4. Step 4: Simplify right side
    137,245.36x = 25,756,721,425.10
  5. Step 5: Solve for x
    x = 25,756,721,425.10/137,245.36
  6. Step 6: Final answer
    x = 187,669.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.