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Finding the Fourth Proportional to 105,044.80, 144,958.24 and 62,602.56

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Solution

The fourth proportional to 105,044.80, 144,958.24 and 62,602.56 is: 86,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,044.80 : 144,958.24 = 62,602.56 : x
  2. Step 2: Convert to fraction form
    105,044.80/144,958.24 = 62,602.56/x
  3. Step 3: Cross multiply
    105,044.80x = 144,958.24 × 62,602.56
  4. Step 4: Simplify right side
    105,044.80x = 9,074,756,917.09
  5. Step 5: Solve for x
    x = 9,074,756,917.09/105,044.80
  6. Step 6: Final answer
    x = 86,389.40

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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.