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Finding the Fourth Proportional to 250,637.52, 375,978.36 and 70,724.52

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Solution

The fourth proportional to 250,637.52, 375,978.36 and 70,724.52 is: 106,093.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,637.52 : 375,978.36 = 70,724.52 : x
  2. Step 2: Convert to fraction form
    250,637.52/375,978.36 = 70,724.52/x
  3. Step 3: Cross multiply
    250,637.52x = 375,978.36 × 70,724.52
  4. Step 4: Simplify right side
    250,637.52x = 26,590,889,041.39
  5. Step 5: Solve for x
    x = 26,590,889,041.39/250,637.52
  6. Step 6: Final answer
    x = 106,093.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.