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Finding the Fourth Proportional to 186,702,984.15, 280,054,476.23 and 186,702,984.15

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Solution

The fourth proportional to 186,702,984.15, 280,054,476.23 and 186,702,984.15 is: 280,054,476.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,702,984.15 : 280,054,476.23 = 186,702,984.15 : x
  2. Step 2: Convert to fraction form
    186,702,984.15/280,054,476.23 = 186,702,984.15/x
  3. Step 3: Cross multiply
    186,702,984.15x = 280,054,476.23 × 186,702,984.15
  4. Step 4: Simplify right side
    186,702,984.15x = 52,287,006,435,772,736
  5. Step 5: Solve for x
    x = 52,287,006,435,772,736/186,702,984.15
  6. Step 6: Final answer
    x = 280,054,476.23

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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.