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Finding the Fourth Proportional to 124,020.80, 186,074.40 and 53,950.40

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Solution

The fourth proportional to 124,020.80, 186,074.40 and 53,950.40 is: 80,944.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,020.80 : 186,074.40 = 53,950.40 : x
  2. Step 2: Convert to fraction form
    124,020.80/186,074.40 = 53,950.40/x
  3. Step 3: Cross multiply
    124,020.80x = 186,074.40 × 53,950.40
  4. Step 4: Simplify right side
    124,020.80x = 10,038,788,309.76
  5. Step 5: Solve for x
    x = 10,038,788,309.76/124,020.80
  6. Step 6: Final answer
    x = 80,944.39

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1.5x scale

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.