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Finding the Fourth Proportional to 69,984,080.15, 97,750,964.05 and 69,984,080.15

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Solution

The fourth proportional to 69,984,080.15, 97,750,964.05 and 69,984,080.15 is: 97,750,964.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,080.15 : 97,750,964.05 = 69,984,080.15 : x
  2. Step 2: Convert to fraction form
    69,984,080.15/97,750,964.05 = 69,984,080.15/x
  3. Step 3: Cross multiply
    69,984,080.15x = 97,750,964.05 × 69,984,080.15
  4. Step 4: Simplify right side
    69,984,080.15x = 6,841,011,302,814,969
  5. Step 5: Solve for x
    x = 6,841,011,302,814,969/69,984,080.15
  6. Step 6: Final answer
    x = 97,750,964.05

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.