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Finding the Fourth Proportional to 86,628.58, 119,549.40 and 50,844.40

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Solution

The fourth proportional to 86,628.58, 119,549.40 and 50,844.40 is: 70,166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,628.58 : 119,549.40 = 50,844.40 : x
  2. Step 2: Convert to fraction form
    86,628.58/119,549.40 = 50,844.40/x
  3. Step 3: Cross multiply
    86,628.58x = 119,549.40 × 50,844.40
  4. Step 4: Simplify right side
    86,628.58x = 6,078,417,513.36
  5. Step 5: Solve for x
    x = 6,078,417,513.36/86,628.58
  6. Step 6: Final answer
    x = 70,166.42

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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.