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Finding the Fourth Proportional to 248,470.90, 342,802.41 and 162,480.22

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Solution

The fourth proportional to 248,470.90, 342,802.41 and 162,480.22 is: 224,165.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,470.90 : 342,802.41 = 162,480.22 : x
  2. Step 2: Convert to fraction form
    248,470.90/342,802.41 = 162,480.22/x
  3. Step 3: Cross multiply
    248,470.90x = 342,802.41 × 162,480.22
  4. Step 4: Simplify right side
    248,470.90x = 55,698,610,993.33
  5. Step 5: Solve for x
    x = 55,698,610,993.33/248,470.90
  6. Step 6: Final answer
    x = 224,165.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.