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Finding the Fourth Proportional to 56,133,743.80, 84,200,615.70 and 27,398,313.40

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Solution

The fourth proportional to 56,133,743.80, 84,200,615.70 and 27,398,313.40 is: 41,097,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,133,743.80 : 84,200,615.70 = 27,398,313.40 : x
  2. Step 2: Convert to fraction form
    56,133,743.80/84,200,615.70 = 27,398,313.40/x
  3. Step 3: Cross multiply
    56,133,743.80x = 84,200,615.70 × 27,398,313.40
  4. Step 4: Simplify right side
    56,133,743.80x = 2,306,954,857,421,560.50
  5. Step 5: Solve for x
    x = 2,306,954,857,421,560.50/56,133,743.80
  6. Step 6: Final answer
    x = 41,097,470.10

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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.