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Finding the Fourth Proportional to 48,751,514.60, 73,127,271.90 and 20,018,271.20

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Solution

The fourth proportional to 48,751,514.60, 73,127,271.90 and 20,018,271.20 is: 30,027,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,751,514.60 : 73,127,271.90 = 20,018,271.20 : x
  2. Step 2: Convert to fraction form
    48,751,514.60/73,127,271.90 = 20,018,271.20/x
  3. Step 3: Cross multiply
    48,751,514.60x = 73,127,271.90 × 20,018,271.20
  4. Step 4: Simplify right side
    48,751,514.60x = 1,463,881,561,010,339.25
  5. Step 5: Solve for x
    x = 1,463,881,561,010,339.25/48,751,514.60
  6. Step 6: Final answer
    x = 30,027,406.80

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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.