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Finding the Fourth Proportional to 102,263.45, 153,384.44 and 27,391.32

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Solution

The fourth proportional to 102,263.45, 153,384.44 and 27,391.32 is: 41,084.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,263.45 : 153,384.44 = 27,391.32 : x
  2. Step 2: Convert to fraction form
    102,263.45/153,384.44 = 27,391.32/x
  3. Step 3: Cross multiply
    102,263.45x = 153,384.44 × 27,391.32
  4. Step 4: Simplify right side
    102,263.45x = 4,201,402,142.10
  5. Step 5: Solve for x
    x = 4,201,402,142.10/102,263.45
  6. Step 6: Final answer
    x = 41,084.11

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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.