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Finding the Fourth Proportional to 82,844.64, 124,254.54 and 26,677.32

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Solution

The fourth proportional to 82,844.64, 124,254.54 and 26,677.32 is: 40,011.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,844.64 : 124,254.54 = 26,677.32 : x
  2. Step 2: Convert to fraction form
    82,844.64/124,254.54 = 26,677.32/x
  3. Step 3: Cross multiply
    82,844.64x = 124,254.54 × 26,677.32
  4. Step 4: Simplify right side
    82,844.64x = 3,314,778,125.03
  5. Step 5: Solve for x
    x = 3,314,778,125.03/82,844.64
  6. Step 6: Final answer
    x = 40,011.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.