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Finding the Fourth Proportional to 97,703.48, 134,831.04 and 52,991.48

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Solution

The fourth proportional to 97,703.48, 134,831.04 and 52,991.48 is: 73,128.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,703.48 : 134,831.04 = 52,991.48 : x
  2. Step 2: Convert to fraction form
    97,703.48/134,831.04 = 52,991.48/x
  3. Step 3: Cross multiply
    97,703.48x = 134,831.04 × 52,991.48
  4. Step 4: Simplify right side
    97,703.48x = 7,144,896,359.54
  5. Step 5: Solve for x
    x = 7,144,896,359.54/97,703.48
  6. Step 6: Final answer
    x = 73,128.37

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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.