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Finding the Fourth Proportional to 248,362.86, 372,607.17 and 70,870.50

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Solution

The fourth proportional to 248,362.86, 372,607.17 and 70,870.50 is: 106,323.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,362.86 : 372,607.17 = 70,870.50 : x
  2. Step 2: Convert to fraction form
    248,362.86/372,607.17 = 70,870.50/x
  3. Step 3: Cross multiply
    248,362.86x = 372,607.17 × 70,870.50
  4. Step 4: Simplify right side
    248,362.86x = 26,406,856,441.49
  5. Step 5: Solve for x
    x = 26,406,856,441.49/248,362.86
  6. Step 6: Final answer
    x = 106,323.69

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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.