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Finding the Fourth Proportional to 134,471.01, 201,831.16 and 67,957.96

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Solution

The fourth proportional to 134,471.01, 201,831.16 and 67,957.96 is: 101,999.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,471.01 : 201,831.16 = 67,957.96 : x
  2. Step 2: Convert to fraction form
    134,471.01/201,831.16 = 67,957.96/x
  3. Step 3: Cross multiply
    134,471.01x = 201,831.16 × 67,957.96
  4. Step 4: Simplify right side
    134,471.01x = 13,716,033,898.03
  5. Step 5: Solve for x
    x = 13,716,033,898.03/134,471.01
  6. Step 6: Final answer
    x = 101,999.93

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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.