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Finding the Fourth Proportional to 168,491.63, 232,518.65 and 93,040.13

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Solution

The fourth proportional to 168,491.63, 232,518.65 and 93,040.13 is: 128,395.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,491.63 : 232,518.65 = 93,040.13 : x
  2. Step 2: Convert to fraction form
    168,491.63/232,518.65 = 93,040.13/x
  3. Step 3: Cross multiply
    168,491.63x = 232,518.65 × 93,040.13
  4. Step 4: Simplify right side
    168,491.63x = 21,633,563,795.63
  5. Step 5: Solve for x
    x = 21,633,563,795.63/168,491.63
  6. Step 6: Final answer
    x = 128,395.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.