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Finding the Fourth Proportional to 293,048.48, 439,615.20 and 93,303.20

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Solution

The fourth proportional to 293,048.48, 439,615.20 and 93,303.20 is: 139,968.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,048.48 : 439,615.20 = 93,303.20 : x
  2. Step 2: Convert to fraction form
    293,048.48/439,615.20 = 93,303.20/x
  3. Step 3: Cross multiply
    293,048.48x = 439,615.20 × 93,303.20
  4. Step 4: Simplify right side
    293,048.48x = 41,017,504,928.64
  5. Step 5: Solve for x
    x = 41,017,504,928.64/293,048.48
  6. Step 6: Final answer
    x = 139,968.33

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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.