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Finding the Fourth Proportional to 223,796.93, 308,844.63 and 127,007.06

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Solution

The fourth proportional to 223,796.93, 308,844.63 and 127,007.06 is: 175,272.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,796.93 : 308,844.63 = 127,007.06 : x
  2. Step 2: Convert to fraction form
    223,796.93/308,844.63 = 127,007.06/x
  3. Step 3: Cross multiply
    223,796.93x = 308,844.63 × 127,007.06
  4. Step 4: Simplify right side
    223,796.93x = 39,225,446,908.86
  5. Step 5: Solve for x
    x = 39,225,446,908.86/223,796.93
  6. Step 6: Final answer
    x = 175,272.50

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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.