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Finding the Fourth Proportional to 179,392,907.80, 251,830,315.40 and 179,392,907.80

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Solution

The fourth proportional to 179,392,907.80, 251,830,315.40 and 179,392,907.80 is: 251,830,315.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,392,907.80 : 251,830,315.40 = 179,392,907.80 : x
  2. Step 2: Convert to fraction form
    179,392,907.80/251,830,315.40 = 179,392,907.80/x
  3. Step 3: Cross multiply
    179,392,907.80x = 251,830,315.40 × 179,392,907.80
  4. Step 4: Simplify right side
    179,392,907.80x = 45,176,572,551,797,128
  5. Step 5: Solve for x
    x = 45,176,572,551,797,128/179,392,907.80
  6. Step 6: Final answer
    x = 251,830,315.40

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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.