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Finding the Fourth Proportional to 185,561.25, 277,973.24 and 91,780.77

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Solution

The fourth proportional to 185,561.25, 277,973.24 and 91,780.77 is: 137,488.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,561.25 : 277,973.24 = 91,780.77 : x
  2. Step 2: Convert to fraction form
    185,561.25/277,973.24 = 91,780.77/x
  3. Step 3: Cross multiply
    185,561.25x = 277,973.24 × 91,780.77
  4. Step 4: Simplify right side
    185,561.25x = 25,512,597,547.69
  5. Step 5: Solve for x
    x = 25,512,597,547.69/185,561.25
  6. Step 6: Final answer
    x = 137,488.82

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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.