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Finding the Fourth Proportional to 248,503.68, 372,702.60 and 70,963.56

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Solution

The fourth proportional to 248,503.68, 372,702.60 and 70,963.56 is: 106,430.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,503.68 : 372,702.60 = 70,963.56 : x
  2. Step 2: Convert to fraction form
    248,503.68/372,702.60 = 70,963.56/x
  3. Step 3: Cross multiply
    248,503.68x = 372,702.60 × 70,963.56
  4. Step 4: Simplify right side
    248,503.68x = 26,448,303,317.26
  5. Step 5: Solve for x
    x = 26,448,303,317.26/248,503.68
  6. Step 6: Final answer
    x = 106,430.23

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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.