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Finding the Fourth Proportional to 250,670.63, 345,969.70 and 148,752.29

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Solution

The fourth proportional to 250,670.63, 345,969.70 and 148,752.29 is: 205,304.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,670.63 : 345,969.70 = 148,752.29 : x
  2. Step 2: Convert to fraction form
    250,670.63/345,969.70 = 148,752.29/x
  3. Step 3: Cross multiply
    250,670.63x = 345,969.70 × 148,752.29
  4. Step 4: Simplify right side
    250,670.63x = 51,463,785,638.66
  5. Step 5: Solve for x
    x = 51,463,785,638.66/250,670.63
  6. Step 6: Final answer
    x = 205,304.41

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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.