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Finding the Fourth Proportional to 79,045.74, 109,054.35 and 50,741.10

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Solution

The fourth proportional to 79,045.74, 109,054.35 and 50,741.10 is: 70,004.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,045.74 : 109,054.35 = 50,741.10 : x
  2. Step 2: Convert to fraction form
    79,045.74/109,054.35 = 50,741.10/x
  3. Step 3: Cross multiply
    79,045.74x = 109,054.35 × 50,741.10
  4. Step 4: Simplify right side
    79,045.74x = 5,533,537,678.79
  5. Step 5: Solve for x
    x = 5,533,537,678.79/79,045.74
  6. Step 6: Final answer
    x = 70,004.25

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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.