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Finding the Fourth Proportional to 183,201.70, 274,802.55 and 112,342.90

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Solution

The fourth proportional to 183,201.70, 274,802.55 and 112,342.90 is: 168,514.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,201.70 : 274,802.55 = 112,342.90 : x
  2. Step 2: Convert to fraction form
    183,201.70/274,802.55 = 112,342.90/x
  3. Step 3: Cross multiply
    183,201.70x = 274,802.55 × 112,342.90
  4. Step 4: Simplify right side
    183,201.70x = 30,872,115,394.40
  5. Step 5: Solve for x
    x = 30,872,115,394.40/183,201.70
  6. Step 6: Final answer
    x = 168,514.35

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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.