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Finding the Fourth Proportional to 46,697,499.60, 70,046,249.40 and 25,174,139.10

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Solution

The fourth proportional to 46,697,499.60, 70,046,249.40 and 25,174,139.10 is: 37,761,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,697,499.60 : 70,046,249.40 = 25,174,139.10 : x
  2. Step 2: Convert to fraction form
    46,697,499.60/70,046,249.40 = 25,174,139.10/x
  3. Step 3: Cross multiply
    46,697,499.60x = 70,046,249.40 × 25,174,139.10
  4. Step 4: Simplify right side
    46,697,499.60x = 1,763,354,025,828,891.75
  5. Step 5: Solve for x
    x = 1,763,354,025,828,891.75/46,697,499.60
  6. Step 6: Final answer
    x = 37,761,208.65

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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.