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Finding the Fourth Proportional to 106,995.88, 147,628.95 and 63,366.39

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Solution

The fourth proportional to 106,995.88, 147,628.95 and 63,366.39 is: 87,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,995.88 : 147,628.95 = 63,366.39 : x
  2. Step 2: Convert to fraction form
    106,995.88/147,628.95 = 63,366.39/x
  3. Step 3: Cross multiply
    106,995.88x = 147,628.95 × 63,366.39
  4. Step 4: Simplify right side
    106,995.88x = 9,354,713,620.99
  5. Step 5: Solve for x
    x = 9,354,713,620.99/106,995.88
  6. Step 6: Final answer
    x = 87,430.60

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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.