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Finding the Fourth Proportional to 73,755,448.00, 101,779,850.40 and 40,714,987.88

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Solution

The fourth proportional to 73,755,448.00, 101,779,850.40 and 40,714,987.88 is: 56,185,210.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,755,448.00 : 101,779,850.40 = 40,714,987.88 : x
  2. Step 2: Convert to fraction form
    73,755,448.00/101,779,850.40 = 40,714,987.88/x
  3. Step 3: Cross multiply
    73,755,448.00x = 101,779,850.40 × 40,714,987.88
  4. Step 4: Simplify right side
    73,755,448.00x = 4,143,965,375,565,981.50
  5. Step 5: Solve for x
    x = 4,143,965,375,565,981.50/73,755,448.00
  6. Step 6: Final answer
    x = 56,185,210.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.