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Finding the Fourth Proportional to 64,776,670.80, 97,102,798.20 and 37,454,917.20

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Solution

The fourth proportional to 64,776,670.80, 97,102,798.20 and 37,454,917.20 is: 56,146,406.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,776,670.80 : 97,102,798.20 = 37,454,917.20 : x
  2. Step 2: Convert to fraction form
    64,776,670.80/97,102,798.20 = 37,454,917.20/x
  3. Step 3: Cross multiply
    64,776,670.80x = 97,102,798.20 × 37,454,917.20
  4. Step 4: Simplify right side
    64,776,670.80x = 3,636,977,266,469,309.50
  5. Step 5: Solve for x
    x = 3,636,977,266,469,309.50/64,776,670.80
  6. Step 6: Final answer
    x = 56,146,406.13

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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.