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Finding the Fourth Proportional to 186,951.25, 280,427.48 and 46,709.89

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Solution

The fourth proportional to 186,951.25, 280,427.48 and 46,709.89 is: 70,064.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,951.25 : 280,427.48 = 46,709.89 : x
  2. Step 2: Convert to fraction form
    186,951.25/280,427.48 = 46,709.89/x
  3. Step 3: Cross multiply
    186,951.25x = 280,427.48 × 46,709.89
  4. Step 4: Simplify right side
    186,951.25x = 13,098,736,510.23
  5. Step 5: Solve for x
    x = 13,098,736,510.23/186,951.25
  6. Step 6: Final answer
    x = 70,064.98

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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.