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Finding the Fourth Proportional to 179,626,307.20, 269,439,460.80 and 179,626,307.20

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Solution

The fourth proportional to 179,626,307.20, 269,439,460.80 and 179,626,307.20 is: 269,439,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,626,307.20 : 269,439,460.80 = 179,626,307.20 : x
  2. Step 2: Convert to fraction form
    179,626,307.20/269,439,460.80 = 179,626,307.20/x
  3. Step 3: Cross multiply
    179,626,307.20x = 269,439,460.80 × 179,626,307.20
  4. Step 4: Simplify right side
    179,626,307.20x = 48,398,415,357,463,160
  5. Step 5: Solve for x
    x = 48,398,415,357,463,160/179,626,307.20
  6. Step 6: Final answer
    x = 269,439,460.80

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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.