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Finding the Fourth Proportional to 79,716,695.40, 119,362,466.70 and 79,716,695.40

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Solution

The fourth proportional to 79,716,695.40, 119,362,466.70 and 79,716,695.40 is: 119,362,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,716,695.40 : 119,362,466.70 = 79,716,695.40 : x
  2. Step 2: Convert to fraction form
    79,716,695.40/119,362,466.70 = 79,716,695.40/x
  3. Step 3: Cross multiply
    79,716,695.40x = 119,362,466.70 × 79,716,695.40
  4. Step 4: Simplify right side
    79,716,695.40x = 9,515,181,400,116,544
  5. Step 5: Solve for x
    x = 9,515,181,400,116,544/79,716,695.40
  6. Step 6: Final answer
    x = 119,362,466.70

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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.