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Finding the Fourth Proportional to 186,124.94, 279,348.60 and 97,440.48

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Solution

The fourth proportional to 186,124.94, 279,348.60 and 97,440.48 is: 146,245.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,124.94 : 279,348.60 = 97,440.48 : x
  2. Step 2: Convert to fraction form
    186,124.94/279,348.60 = 97,440.48/x
  3. Step 3: Cross multiply
    186,124.94x = 279,348.60 × 97,440.48
  4. Step 4: Simplify right side
    186,124.94x = 27,219,861,671.33
  5. Step 5: Solve for x
    x = 27,219,861,671.33/186,124.94
  6. Step 6: Final answer
    x = 146,245.11

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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.