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Finding the Fourth Proportional to 184,607.64, 277,489.48 and 121,831.17

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Solution

The fourth proportional to 184,607.64, 277,489.48 and 121,831.17 is: 183,128.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,607.64 : 277,489.48 = 121,831.17 : x
  2. Step 2: Convert to fraction form
    184,607.64/277,489.48 = 121,831.17/x
  3. Step 3: Cross multiply
    184,607.64x = 277,489.48 × 121,831.17
  4. Step 4: Simplify right side
    184,607.64x = 33,806,868,011.09
  5. Step 5: Solve for x
    x = 33,806,868,011.09/184,607.64
  6. Step 6: Final answer
    x = 183,128.22

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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.