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Finding the Fourth Proportional to 46,759,959.60, 70,139,939.40 and 14,408,980.80

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Solution

The fourth proportional to 46,759,959.60, 70,139,939.40 and 14,408,980.80 is: 21,613,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,759,959.60 : 70,139,939.40 = 14,408,980.80 : x
  2. Step 2: Convert to fraction form
    46,759,959.60/70,139,939.40 = 14,408,980.80/x
  3. Step 3: Cross multiply
    46,759,959.60x = 70,139,939.40 × 14,408,980.80
  4. Step 4: Simplify right side
    46,759,959.60x = 1,010,645,040,127,763.62
  5. Step 5: Solve for x
    x = 1,010,645,040,127,763.62/46,759,959.60
  6. Step 6: Final answer
    x = 21,613,471.20

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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.