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Finding the Fourth Proportional to 223,642.76, 335,220.13 and 109,868.86

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Solution

The fourth proportional to 223,642.76, 335,220.13 and 109,868.86 is: 164,683.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,642.76 : 335,220.13 = 109,868.86 : x
  2. Step 2: Convert to fraction form
    223,642.76/335,220.13 = 109,868.86/x
  3. Step 3: Cross multiply
    223,642.76x = 335,220.13 × 109,868.86
  4. Step 4: Simplify right side
    223,642.76x = 36,830,254,088.51
  5. Step 5: Solve for x
    x = 36,830,254,088.51/223,642.76
  6. Step 6: Final answer
    x = 164,683.42

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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.