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Finding the Fourth Proportional to 248,681.81, 372,757.10 and 141,835.70

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Solution

The fourth proportional to 248,681.81, 372,757.10 and 141,835.70 is: 212,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,681.81 : 372,757.10 = 141,835.70 : x
  2. Step 2: Convert to fraction form
    248,681.81/372,757.10 = 141,835.70/x
  3. Step 3: Cross multiply
    248,681.81x = 372,757.10 × 141,835.70
  4. Step 4: Simplify right side
    248,681.81x = 52,870,261,635.51
  5. Step 5: Solve for x
    x = 52,870,261,635.51/248,681.81
  6. Step 6: Final answer
    x = 212,602.05

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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.