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Finding the Fourth Proportional to 174,044.40, 261,066.60 and 103,887.60

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Solution

The fourth proportional to 174,044.40, 261,066.60 and 103,887.60 is: 155,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,044.40 : 261,066.60 = 103,887.60 : x
  2. Step 2: Convert to fraction form
    174,044.40/261,066.60 = 103,887.60/x
  3. Step 3: Cross multiply
    174,044.40x = 261,066.60 × 103,887.60
  4. Step 4: Simplify right side
    174,044.40x = 27,121,582,514.16
  5. Step 5: Solve for x
    x = 27,121,582,514.16/174,044.40
  6. Step 6: Final answer
    x = 155,831.40

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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.