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Finding the Fourth Proportional to 122,303.70, 183,473.82 and 43,411.32

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Solution

The fourth proportional to 122,303.70, 183,473.82 and 43,411.32 is: 65,123.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,303.70 : 183,473.82 = 43,411.32 : x
  2. Step 2: Convert to fraction form
    122,303.70/183,473.82 = 43,411.32/x
  3. Step 3: Cross multiply
    122,303.70x = 183,473.82 × 43,411.32
  4. Step 4: Simplify right side
    122,303.70x = 7,964,840,711.64
  5. Step 5: Solve for x
    x = 7,964,840,711.64/122,303.70
  6. Step 6: Final answer
    x = 65,123.46

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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.