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Finding the Fourth Proportional to 74,754,314.40, 112,131,471.60 and 74,754,314.40

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Solution

The fourth proportional to 74,754,314.40, 112,131,471.60 and 74,754,314.40 is: 112,131,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,754,314.40 : 112,131,471.60 = 74,754,314.40 : x
  2. Step 2: Convert to fraction form
    74,754,314.40/112,131,471.60 = 74,754,314.40/x
  3. Step 3: Cross multiply
    74,754,314.40x = 112,131,471.60 × 74,754,314.40
  4. Step 4: Simplify right side
    74,754,314.40x = 8,382,311,282,121,071
  5. Step 5: Solve for x
    x = 8,382,311,282,121,071/74,754,314.40
  6. Step 6: Final answer
    x = 112,131,471.60

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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.