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Finding the Fourth Proportional to 222,444.56, 306,970.44 and 127,007.12

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Solution

The fourth proportional to 222,444.56, 306,970.44 and 127,007.12 is: 175,268.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,444.56 : 306,970.44 = 127,007.12 : x
  2. Step 2: Convert to fraction form
    222,444.56/306,970.44 = 127,007.12/x
  3. Step 3: Cross multiply
    222,444.56x = 306,970.44 × 127,007.12
  4. Step 4: Simplify right side
    222,444.56x = 38,987,431,509.53
  5. Step 5: Solve for x
    x = 38,987,431,509.53/222,444.56
  6. Step 6: Final answer
    x = 175,268.08

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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.