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Finding the Fourth Proportional to 201,564.04, 278,152.51 and 110,919.98

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Solution

The fourth proportional to 201,564.04, 278,152.51 and 110,919.98 is: 153,066.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,564.04 : 278,152.51 = 110,919.98 : x
  2. Step 2: Convert to fraction form
    201,564.04/278,152.51 = 110,919.98/x
  3. Step 3: Cross multiply
    201,564.04x = 278,152.51 × 110,919.98
  4. Step 4: Simplify right side
    201,564.04x = 30,852,670,846.15
  5. Step 5: Solve for x
    x = 30,852,670,846.15/201,564.04
  6. Step 6: Final answer
    x = 153,066.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.