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Finding the Fourth Proportional to 185,124.03, 277,786.53 and 78,567.93

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Solution

The fourth proportional to 185,124.03, 277,786.53 and 78,567.93 is: 117,894.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,124.03 : 277,786.53 = 78,567.93 : x
  2. Step 2: Convert to fraction form
    185,124.03/277,786.53 = 78,567.93/x
  3. Step 3: Cross multiply
    185,124.03x = 277,786.53 × 78,567.93
  4. Step 4: Simplify right side
    185,124.03x = 21,825,112,643.98
  5. Step 5: Solve for x
    x = 21,825,112,643.98/185,124.03
  6. Step 6: Final answer
    x = 117,894.54

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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.