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Finding the Fourth Proportional to 53,314,515.60, 79,971,773.40 and 53,314,515.60

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Solution

The fourth proportional to 53,314,515.60, 79,971,773.40 and 53,314,515.60 is: 79,971,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,314,515.60 : 79,971,773.40 = 53,314,515.60 : x
  2. Step 2: Convert to fraction form
    53,314,515.60/79,971,773.40 = 53,314,515.60/x
  3. Step 3: Cross multiply
    53,314,515.60x = 79,971,773.40 × 53,314,515.60
  4. Step 4: Simplify right side
    53,314,515.60x = 4,263,656,360,493,965.50
  5. Step 5: Solve for x
    x = 4,263,656,360,493,965.50/53,314,515.60
  6. Step 6: Final answer
    x = 79,971,773.40

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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.