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Finding the Fourth Proportional to 183,390.94, 253,080.18 and 106,962.80

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Solution

The fourth proportional to 183,390.94, 253,080.18 and 106,962.80 is: 147,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,390.94 : 253,080.18 = 106,962.80 : x
  2. Step 2: Convert to fraction form
    183,390.94/253,080.18 = 106,962.80/x
  3. Step 3: Cross multiply
    183,390.94x = 253,080.18 × 106,962.80
  4. Step 4: Simplify right side
    183,390.94x = 27,070,165,310.00
  5. Step 5: Solve for x
    x = 27,070,165,310.00/183,390.94
  6. Step 6: Final answer
    x = 147,609.07

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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.