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Finding the Fourth Proportional to 79,038.51, 118,557.77 and 32,291.39

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Solution

The fourth proportional to 79,038.51, 118,557.77 and 32,291.39 is: 48,437.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,038.51 : 118,557.77 = 32,291.39 : x
  2. Step 2: Convert to fraction form
    79,038.51/118,557.77 = 32,291.39/x
  3. Step 3: Cross multiply
    79,038.51x = 118,557.77 × 32,291.39
  4. Step 4: Simplify right side
    79,038.51x = 3,828,394,434.35
  5. Step 5: Solve for x
    x = 3,828,394,434.35/79,038.51
  6. Step 6: Final answer
    x = 48,437.08

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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.