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Finding the Fourth Proportional to 185,368.63, 278,067.53 and 73,041.07

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Solution

The fourth proportional to 185,368.63, 278,067.53 and 73,041.07 is: 109,567.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,368.63 : 278,067.53 = 73,041.07 : x
  2. Step 2: Convert to fraction form
    185,368.63/278,067.53 = 73,041.07/x
  3. Step 3: Cross multiply
    185,368.63x = 278,067.53 × 73,041.07
  4. Step 4: Simplify right side
    185,368.63x = 20,310,349,923.46
  5. Step 5: Solve for x
    x = 20,310,349,923.46/185,368.63
  6. Step 6: Final answer
    x = 109,567.35

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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.