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Finding the Fourth Proportional to 69,341,903.60, 104,012,855.40 and 35,329,679.60

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Solution

The fourth proportional to 69,341,903.60, 104,012,855.40 and 35,329,679.60 is: 52,994,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,341,903.60 : 104,012,855.40 = 35,329,679.60 : x
  2. Step 2: Convert to fraction form
    69,341,903.60/104,012,855.40 = 35,329,679.60/x
  3. Step 3: Cross multiply
    69,341,903.60x = 104,012,855.40 × 35,329,679.60
  4. Step 4: Simplify right side
    69,341,903.60x = 3,674,740,855,563,130
  5. Step 5: Solve for x
    x = 3,674,740,855,563,130/69,341,903.60
  6. Step 6: Final answer
    x = 52,994,519.40

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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.