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Finding the Fourth Proportional to 225,929.58, 311,783.19 and 125,327.58

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Solution

The fourth proportional to 225,929.58, 311,783.19 and 125,327.58 is: 172,952.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,929.58 : 311,783.19 = 125,327.58 : x
  2. Step 2: Convert to fraction form
    225,929.58/311,783.19 = 125,327.58/x
  3. Step 3: Cross multiply
    225,929.58x = 311,783.19 × 125,327.58
  4. Step 4: Simplify right side
    225,929.58x = 39,075,032,687.38
  5. Step 5: Solve for x
    x = 39,075,032,687.38/225,929.58
  6. Step 6: Final answer
    x = 172,952.27

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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.