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Finding the Fourth Proportional to 70,308,036.65, 98,204,503.15 and 70,308,036.65

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Solution

The fourth proportional to 70,308,036.65, 98,204,503.15 and 70,308,036.65 is: 98,204,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,308,036.65 : 98,204,503.15 = 70,308,036.65 : x
  2. Step 2: Convert to fraction form
    70,308,036.65/98,204,503.15 = 70,308,036.65/x
  3. Step 3: Cross multiply
    70,308,036.65x = 98,204,503.15 × 70,308,036.65
  4. Step 4: Simplify right side
    70,308,036.65x = 6,904,565,806,665,241
  5. Step 5: Solve for x
    x = 6,904,565,806,665,241/70,308,036.65
  6. Step 6: Final answer
    x = 98,204,503.15

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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.