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Finding the Fourth Proportional to 144,449.53, 216,365.68 and 117,309.54

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Solution

The fourth proportional to 144,449.53, 216,365.68 and 117,309.54 is: 175,713.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,449.53 : 216,365.68 = 117,309.54 : x
  2. Step 2: Convert to fraction form
    144,449.53/216,365.68 = 117,309.54/x
  3. Step 3: Cross multiply
    144,449.53x = 216,365.68 × 117,309.54
  4. Step 4: Simplify right side
    144,449.53x = 25,381,758,742.07
  5. Step 5: Solve for x
    x = 25,381,758,742.07/144,449.53
  6. Step 6: Final answer
    x = 175,713.68

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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.