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Finding the Fourth Proportional to 248,126.90, 372,192.64 and 70,633.90

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Solution

The fourth proportional to 248,126.90, 372,192.64 and 70,633.90 is: 105,951.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,126.90 : 372,192.64 = 70,633.90 : x
  2. Step 2: Convert to fraction form
    248,126.90/372,192.64 = 70,633.90/x
  3. Step 3: Cross multiply
    248,126.90x = 372,192.64 × 70,633.90
  4. Step 4: Simplify right side
    248,126.90x = 26,289,415,853.53
  5. Step 5: Solve for x
    x = 26,289,415,853.53/248,126.90
  6. Step 6: Final answer
    x = 105,951.50

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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.