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Finding the Fourth Proportional to 124,463.80, 187,368.37 and 113,441.32

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Solution

The fourth proportional to 124,463.80, 187,368.37 and 113,441.32 is: 170,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,463.80 : 187,368.37 = 113,441.32 : x
  2. Step 2: Convert to fraction form
    124,463.80/187,368.37 = 113,441.32/x
  3. Step 3: Cross multiply
    124,463.80x = 187,368.37 × 113,441.32
  4. Step 4: Simplify right side
    124,463.80x = 21,255,315,219.05
  5. Step 5: Solve for x
    x = 21,255,315,219.05/124,463.80
  6. Step 6: Final answer
    x = 170,775.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.