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Finding the Fourth Proportional to 242,923.91, 364,386.47 and 124,530.67

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Solution

The fourth proportional to 242,923.91, 364,386.47 and 124,530.67 is: 186,796.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,923.91 : 364,386.47 = 124,530.67 : x
  2. Step 2: Convert to fraction form
    242,923.91/364,386.47 = 124,530.67/x
  3. Step 3: Cross multiply
    242,923.91x = 364,386.47 × 124,530.67
  4. Step 4: Simplify right side
    242,923.91x = 45,377,290,081.92
  5. Step 5: Solve for x
    x = 45,377,290,081.92/242,923.91
  6. Step 6: Final answer
    x = 186,796.31

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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.