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Finding the Fourth Proportional to 124,660.40, 186,985.80 and 41,554.40

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Solution

The fourth proportional to 124,660.40, 186,985.80 and 41,554.40 is: 62,330.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,660.40 : 186,985.80 = 41,554.40 : x
  2. Step 2: Convert to fraction form
    124,660.40/186,985.80 = 41,554.40/x
  3. Step 3: Cross multiply
    124,660.40x = 186,985.80 × 41,554.40
  4. Step 4: Simplify right side
    124,660.40x = 7,770,082,727.52
  5. Step 5: Solve for x
    x = 7,770,082,727.52/124,660.40
  6. Step 6: Final answer
    x = 62,330.00

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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.