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Finding the Fourth Proportional to 183,853.76, 253,678.80 and 107,338.10

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Solution

The fourth proportional to 183,853.76, 253,678.80 and 107,338.10 is: 148,103.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,853.76 : 253,678.80 = 107,338.10 : x
  2. Step 2: Convert to fraction form
    183,853.76/253,678.80 = 107,338.10/x
  3. Step 3: Cross multiply
    183,853.76x = 253,678.80 × 107,338.10
  4. Step 4: Simplify right side
    183,853.76x = 27,229,400,402.28
  5. Step 5: Solve for x
    x = 27,229,400,402.28/183,853.76
  6. Step 6: Final answer
    x = 148,103.58

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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.