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Finding the Fourth Proportional to 207,233.56, 310,905.06 and 74,127.16

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Solution

The fourth proportional to 207,233.56, 310,905.06 and 74,127.16 is: 111,210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,233.56 : 310,905.06 = 74,127.16 : x
  2. Step 2: Convert to fraction form
    207,233.56/310,905.06 = 74,127.16/x
  3. Step 3: Cross multiply
    207,233.56x = 310,905.06 × 74,127.16
  4. Step 4: Simplify right side
    207,233.56x = 23,046,509,127.43
  5. Step 5: Solve for x
    x = 23,046,509,127.43/207,233.56
  6. Step 6: Final answer
    x = 111,210.31

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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.