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Finding the Fourth Proportional to 183,485.70, 275,228.55 and 123,698.59

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Solution

The fourth proportional to 183,485.70, 275,228.55 and 123,698.59 is: 185,547.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,485.70 : 275,228.55 = 123,698.59 : x
  2. Step 2: Convert to fraction form
    183,485.70/275,228.55 = 123,698.59/x
  3. Step 3: Cross multiply
    183,485.70x = 275,228.55 × 123,698.59
  4. Step 4: Simplify right side
    183,485.70x = 34,045,382,874.67
  5. Step 5: Solve for x
    x = 34,045,382,874.67/183,485.70
  6. Step 6: Final answer
    x = 185,547.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.