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Finding the Fourth Proportional to 65,958,928.40, 98,892,034.68 and 29,053,303.76

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Solution

The fourth proportional to 65,958,928.40, 98,892,034.68 and 29,053,303.76 is: 43,559,536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,958,928.40 : 98,892,034.68 = 29,053,303.76 : x
  2. Step 2: Convert to fraction form
    65,958,928.40/98,892,034.68 = 29,053,303.76/x
  3. Step 3: Cross multiply
    65,958,928.40x = 98,892,034.68 × 29,053,303.76
  4. Step 4: Simplify right side
    65,958,928.40x = 2,873,140,323,002,495
  5. Step 5: Solve for x
    x = 2,873,140,323,002,495/65,958,928.40
  6. Step 6: Final answer
    x = 43,559,536.10

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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.