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Finding the Fourth Proportional to 117,323.80, 175,986.06 and 28,577.32

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Solution

The fourth proportional to 117,323.80, 175,986.06 and 28,577.32 is: 42,866.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,323.80 : 175,986.06 = 28,577.32 : x
  2. Step 2: Convert to fraction form
    117,323.80/175,986.06 = 28,577.32/x
  3. Step 3: Cross multiply
    117,323.80x = 175,986.06 × 28,577.32
  4. Step 4: Simplify right side
    117,323.80x = 5,029,209,952.16
  5. Step 5: Solve for x
    x = 5,029,209,952.16/117,323.80
  6. Step 6: Final answer
    x = 42,866.07

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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.