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Finding the Fourth Proportional to 66,955,200.40, 100,407,917.40 and 26,557,325.20

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Solution

The fourth proportional to 66,955,200.40, 100,407,917.40 and 26,557,325.20 is: 39,826,118.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,955,200.40 : 100,407,917.40 = 26,557,325.20 : x
  2. Step 2: Convert to fraction form
    66,955,200.40/100,407,917.40 = 26,557,325.20/x
  3. Step 3: Cross multiply
    66,955,200.40x = 100,407,917.40 × 26,557,325.20
  4. Step 4: Simplify right side
    66,955,200.40x = 2,666,565,715,046,538.50
  5. Step 5: Solve for x
    x = 2,666,565,715,046,538.50/66,955,200.40
  6. Step 6: Final answer
    x = 39,826,118.05

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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.