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Finding the Fourth Proportional to 174,405.88, 240,684.60 and 97,931.08

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Solution

The fourth proportional to 174,405.88, 240,684.60 and 97,931.08 is: 135,147.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,405.88 : 240,684.60 = 97,931.08 : x
  2. Step 2: Convert to fraction form
    174,405.88/240,684.60 = 97,931.08/x
  3. Step 3: Cross multiply
    174,405.88x = 240,684.60 × 97,931.08
  4. Step 4: Simplify right side
    174,405.88x = 23,570,502,817.37
  5. Step 5: Solve for x
    x = 23,570,502,817.37/174,405.88
  6. Step 6: Final answer
    x = 135,147.41

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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.