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Finding the Fourth Proportional to 183,282.88, 252,918.40 and 107,816.80

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Solution

The fourth proportional to 183,282.88, 252,918.40 and 107,816.80 is: 148,780.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,282.88 : 252,918.40 = 107,816.80 : x
  2. Step 2: Convert to fraction form
    183,282.88/252,918.40 = 107,816.80/x
  3. Step 3: Cross multiply
    183,282.88x = 252,918.40 × 107,816.80
  4. Step 4: Simplify right side
    183,282.88x = 27,268,852,549.12
  5. Step 5: Solve for x
    x = 27,268,852,549.12/183,282.88
  6. Step 6: Final answer
    x = 148,780.14

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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.