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Finding the Fourth Proportional to 174,412.94, 240,763 and 117,900.86

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Solution

The fourth proportional to 174,412.94, 240,763 and 117,900.86 is: 162,752.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,412.94 : 240,763 = 117,900.86 : x
  2. Step 2: Convert to fraction form
    174,412.94/240,763 = 117,900.86/x
  3. Step 3: Cross multiply
    174,412.94x = 240,763 × 117,900.86
  4. Step 4: Simplify right side
    174,412.94x = 28,386,164,756.18
  5. Step 5: Solve for x
    x = 28,386,164,756.18/174,412.94
  6. Step 6: Final answer
    x = 162,752.63

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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.