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Finding the Fourth Proportional to 223,886.70, 335,830.05 and 74,150.10

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Solution

The fourth proportional to 223,886.70, 335,830.05 and 74,150.10 is: 111,225.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,886.70 : 335,830.05 = 74,150.10 : x
  2. Step 2: Convert to fraction form
    223,886.70/335,830.05 = 74,150.10/x
  3. Step 3: Cross multiply
    223,886.70x = 335,830.05 × 74,150.10
  4. Step 4: Simplify right side
    223,886.70x = 24,901,831,790.51
  5. Step 5: Solve for x
    x = 24,901,831,790.51/223,886.70
  6. Step 6: Final answer
    x = 111,225.15

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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.