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Finding the Fourth Proportional to 169,673.60, 254,522.76 and 57,316.48

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Solution

The fourth proportional to 169,673.60, 254,522.76 and 57,316.48 is: 85,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,673.60 : 254,522.76 = 57,316.48 : x
  2. Step 2: Convert to fraction form
    169,673.60/254,522.76 = 57,316.48/x
  3. Step 3: Cross multiply
    169,673.60x = 254,522.76 × 57,316.48
  4. Step 4: Simplify right side
    169,673.60x = 14,588,347,831.84
  5. Step 5: Solve for x
    x = 14,588,347,831.84/169,673.60
  6. Step 6: Final answer
    x = 85,978.89

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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.