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Finding the Fourth Proportional to 248,980.37, 373,378.88 and 89,013.06

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Solution

The fourth proportional to 248,980.37, 373,378.88 and 89,013.06 is: 133,486.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,980.37 : 373,378.88 = 89,013.06 : x
  2. Step 2: Convert to fraction form
    248,980.37/373,378.88 = 89,013.06/x
  3. Step 3: Cross multiply
    248,980.37x = 373,378.88 × 89,013.06
  4. Step 4: Simplify right side
    248,980.37x = 33,235,596,870.71
  5. Step 5: Solve for x
    x = 33,235,596,870.71/248,980.37
  6. Step 6: Final answer
    x = 133,486.82

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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.