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Finding the Fourth Proportional to 248,663.70, 372,995.55 and 169,931.70

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Solution

The fourth proportional to 248,663.70, 372,995.55 and 169,931.70 is: 254,897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,663.70 : 372,995.55 = 169,931.70 : x
  2. Step 2: Convert to fraction form
    248,663.70/372,995.55 = 169,931.70/x
  3. Step 3: Cross multiply
    248,663.70x = 372,995.55 × 169,931.70
  4. Step 4: Simplify right side
    248,663.70x = 63,383,767,903.94
  5. Step 5: Solve for x
    x = 63,383,767,903.94/248,663.70
  6. Step 6: Final answer
    x = 254,897.55

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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.