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Finding the Fourth Proportional to 240,046.61, 360,295.88 and 121,802.81

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Solution

The fourth proportional to 240,046.61, 360,295.88 and 121,802.81 is: 182,818.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,046.61 : 360,295.88 = 121,802.81 : x
  2. Step 2: Convert to fraction form
    240,046.61/360,295.88 = 121,802.81/x
  3. Step 3: Cross multiply
    240,046.61x = 360,295.88 × 121,802.81
  4. Step 4: Simplify right side
    240,046.61x = 43,885,048,204.93
  5. Step 5: Solve for x
    x = 43,885,048,204.93/240,046.61
  6. Step 6: Final answer
    x = 182,818.87

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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.