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Finding the Fourth Proportional to 79,368.24, 119,055.08 and 39,903.82

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Solution

The fourth proportional to 79,368.24, 119,055.08 and 39,903.82 is: 59,857.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,368.24 : 119,055.08 = 39,903.82 : x
  2. Step 2: Convert to fraction form
    79,368.24/119,055.08 = 39,903.82/x
  3. Step 3: Cross multiply
    79,368.24x = 119,055.08 × 39,903.82
  4. Step 4: Simplify right side
    79,368.24x = 4,750,752,482.41
  5. Step 5: Solve for x
    x = 4,750,752,482.41/79,368.24
  6. Step 6: Final answer
    x = 59,857.10

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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.