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Finding the Fourth Proportional to 248,755.40, 372,914.40 and 148,955.30

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Solution

The fourth proportional to 248,755.40, 372,914.40 and 148,955.30 is: 223,301.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,755.40 : 372,914.40 = 148,955.30 : x
  2. Step 2: Convert to fraction form
    248,755.40/372,914.40 = 148,955.30/x
  3. Step 3: Cross multiply
    248,755.40x = 372,914.40 × 148,955.30
  4. Step 4: Simplify right side
    248,755.40x = 55,547,576,326.32
  5. Step 5: Solve for x
    x = 55,547,576,326.32/248,755.40
  6. Step 6: Final answer
    x = 223,301.99

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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.