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Finding the Fourth Proportional to 174,090.61, 240,318.53 and 117,578.53

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Solution

The fourth proportional to 174,090.61, 240,318.53 and 117,578.53 is: 162,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,090.61 : 240,318.53 = 117,578.53 : x
  2. Step 2: Convert to fraction form
    174,090.61/240,318.53 = 117,578.53/x
  3. Step 3: Cross multiply
    174,090.61x = 240,318.53 × 117,578.53
  4. Step 4: Simplify right side
    174,090.61x = 28,256,299,489.16
  5. Step 5: Solve for x
    x = 28,256,299,489.16/174,090.61
  6. Step 6: Final answer
    x = 162,308.00

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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.