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Finding the Fourth Proportional to 107,041.30, 147,668.88 and 80,184.94

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Solution

The fourth proportional to 107,041.30, 147,668.88 and 80,184.94 is: 110,619.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,041.30 : 147,668.88 = 80,184.94 : x
  2. Step 2: Convert to fraction form
    107,041.30/147,668.88 = 80,184.94/x
  3. Step 3: Cross multiply
    107,041.30x = 147,668.88 × 80,184.94
  4. Step 4: Simplify right side
    107,041.30x = 11,840,820,282.67
  5. Step 5: Solve for x
    x = 11,840,820,282.67/107,041.30
  6. Step 6: Final answer
    x = 110,619.17

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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.