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Finding the Fourth Proportional to 68,127.37, 102,830.96 and 68,127.37

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Solution

The fourth proportional to 68,127.37, 102,830.96 and 68,127.37 is: 102,830.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,127.37 : 102,830.96 = 68,127.37 : x
  2. Step 2: Convert to fraction form
    68,127.37/102,830.96 = 68,127.37/x
  3. Step 3: Cross multiply
    68,127.37x = 102,830.96 × 68,127.37
  4. Step 4: Simplify right side
    68,127.37x = 7,005,602,345.22
  5. Step 5: Solve for x
    x = 7,005,602,345.22/68,127.37
  6. Step 6: Final answer
    x = 102,830.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.