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Finding the Fourth Proportional to 243,044.70, 364,450.41 and 124,655.10

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Solution

The fourth proportional to 243,044.70, 364,450.41 and 124,655.10 is: 186,922.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,044.70 : 364,450.41 = 124,655.10 : x
  2. Step 2: Convert to fraction form
    243,044.70/364,450.41 = 124,655.10/x
  3. Step 3: Cross multiply
    243,044.70x = 364,450.41 × 124,655.10
  4. Step 4: Simplify right side
    243,044.70x = 45,430,602,303.59
  5. Step 5: Solve for x
    x = 45,430,602,303.59/243,044.70
  6. Step 6: Final answer
    x = 186,922.83

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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.