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Finding the Fourth Proportional to 122,295.90, 183,443.85 and 104,799.90

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Solution

The fourth proportional to 122,295.90, 183,443.85 and 104,799.90 is: 157,199.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,295.90 : 183,443.85 = 104,799.90 : x
  2. Step 2: Convert to fraction form
    122,295.90/183,443.85 = 104,799.90/x
  3. Step 3: Cross multiply
    122,295.90x = 183,443.85 × 104,799.90
  4. Step 4: Simplify right side
    122,295.90x = 19,224,897,135.62
  5. Step 5: Solve for x
    x = 19,224,897,135.62/122,295.90
  6. Step 6: Final answer
    x = 157,199.85

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1.5x scale

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.