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Finding the Fourth Proportional to 144,477.65, 199,368.33 and 80,803.14

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Solution

The fourth proportional to 144,477.65, 199,368.33 and 80,803.14 is: 111,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,477.65 : 199,368.33 = 80,803.14 : x
  2. Step 2: Convert to fraction form
    144,477.65/199,368.33 = 80,803.14/x
  3. Step 3: Cross multiply
    144,477.65x = 199,368.33 × 80,803.14
  4. Step 4: Simplify right side
    144,477.65x = 16,109,587,080.56
  5. Step 5: Solve for x
    x = 16,109,587,080.56/144,477.65
  6. Step 6: Final answer
    x = 111,502.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.