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Finding the Fourth Proportional to 54,868,082.40, 76,714,538.40 and 54,868,082.40

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Solution

The fourth proportional to 54,868,082.40, 76,714,538.40 and 54,868,082.40 is: 76,714,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,868,082.40 : 76,714,538.40 = 54,868,082.40 : x
  2. Step 2: Convert to fraction form
    54,868,082.40/76,714,538.40 = 54,868,082.40/x
  3. Step 3: Cross multiply
    54,868,082.40x = 76,714,538.40 × 54,868,082.40
  4. Step 4: Simplify right side
    54,868,082.40x = 4,209,179,614,209,164.50
  5. Step 5: Solve for x
    x = 4,209,179,614,209,164.50/54,868,082.40
  6. Step 6: Final answer
    x = 76,714,538.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.