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Finding the Fourth Proportional to 186,120,886.80, 279,181,330.20 and 186,120,886.80

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Solution

The fourth proportional to 186,120,886.80, 279,181,330.20 and 186,120,886.80 is: 279,181,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,120,886.80 : 279,181,330.20 = 186,120,886.80 : x
  2. Step 2: Convert to fraction form
    186,120,886.80/279,181,330.20 = 186,120,886.80/x
  3. Step 3: Cross multiply
    186,120,886.80x = 279,181,330.20 × 186,120,886.80
  4. Step 4: Simplify right side
    186,120,886.80x = 51,961,476,754,827,624
  5. Step 5: Solve for x
    x = 51,961,476,754,827,624/186,120,886.80
  6. Step 6: Final answer
    x = 279,181,330.20

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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.