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Finding the Fourth Proportional to 122,123.61, 183,211.71 and 37,882.08

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Solution

The fourth proportional to 122,123.61, 183,211.71 and 37,882.08 is: 56,831.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,123.61 : 183,211.71 = 37,882.08 : x
  2. Step 2: Convert to fraction form
    122,123.61/183,211.71 = 37,882.08/x
  3. Step 3: Cross multiply
    122,123.61x = 183,211.71 × 37,882.08
  4. Step 4: Simplify right side
    122,123.61x = 6,940,440,655.16
  5. Step 5: Solve for x
    x = 6,940,440,655.16/122,123.61
  6. Step 6: Final answer
    x = 56,831.28

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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.