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Finding the Fourth Proportional to 122,537.66, 183,831.08 and 55,959.93

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Solution

The fourth proportional to 122,537.66, 183,831.08 and 55,959.93 is: 83,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,537.66 : 183,831.08 = 55,959.93 : x
  2. Step 2: Convert to fraction form
    122,537.66/183,831.08 = 55,959.93/x
  3. Step 3: Cross multiply
    122,537.66x = 183,831.08 × 55,959.93
  4. Step 4: Simplify right side
    122,537.66x = 10,287,174,088.82
  5. Step 5: Solve for x
    x = 10,287,174,088.82/122,537.66
  6. Step 6: Final answer
    x = 83,951.13

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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.