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Finding the Fourth Proportional to 43,668,051.80, 65,502,077.70 and 27,512,245.40

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Solution

The fourth proportional to 43,668,051.80, 65,502,077.70 and 27,512,245.40 is: 41,268,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,668,051.80 : 65,502,077.70 = 27,512,245.40 : x
  2. Step 2: Convert to fraction form
    43,668,051.80/65,502,077.70 = 27,512,245.40/x
  3. Step 3: Cross multiply
    43,668,051.80x = 65,502,077.70 × 27,512,245.40
  4. Step 4: Simplify right side
    43,668,051.80x = 1,802,109,235,892,267.50
  5. Step 5: Solve for x
    x = 1,802,109,235,892,267.50/43,668,051.80
  6. Step 6: Final answer
    x = 41,268,368.10

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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.