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Finding the Fourth Proportional to 248,393.32, 372,593.42 and 70,900.28

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Solution

The fourth proportional to 248,393.32, 372,593.42 and 70,900.28 is: 106,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,393.32 : 372,593.42 = 70,900.28 : x
  2. Step 2: Convert to fraction form
    248,393.32/372,593.42 = 70,900.28/x
  3. Step 3: Cross multiply
    248,393.32x = 372,593.42 × 70,900.28
  4. Step 4: Simplify right side
    248,393.32x = 26,416,977,804.16
  5. Step 5: Solve for x
    x = 26,416,977,804.16/248,393.32
  6. Step 6: Final answer
    x = 106,351.40

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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.