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Finding the Fourth Proportional to 69,984,008.90, 97,750,864.30 and 69,984,008.90

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Solution

The fourth proportional to 69,984,008.90, 97,750,864.30 and 69,984,008.90 is: 97,750,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,008.90 : 97,750,864.30 = 69,984,008.90 : x
  2. Step 2: Convert to fraction form
    69,984,008.90/97,750,864.30 = 69,984,008.90/x
  3. Step 3: Cross multiply
    69,984,008.90x = 97,750,864.30 × 69,984,008.90
  4. Step 4: Simplify right side
    69,984,008.90x = 6,840,997,357,153,893
  5. Step 5: Solve for x
    x = 6,840,997,357,153,893/69,984,008.90
  6. Step 6: Final answer
    x = 97,750,864.30

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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.