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Finding the Fourth Proportional to 185,000.40, 277,565.40 and 66,675.60

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Solution

The fourth proportional to 185,000.40, 277,565.40 and 66,675.60 is: 100,036.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,000.40 : 277,565.40 = 66,675.60 : x
  2. Step 2: Convert to fraction form
    185,000.40/277,565.40 = 66,675.60/x
  3. Step 3: Cross multiply
    185,000.40x = 277,565.40 × 66,675.60
  4. Step 4: Simplify right side
    185,000.40x = 18,506,839,584.24
  5. Step 5: Solve for x
    x = 18,506,839,584.24/185,000.40
  6. Step 6: Final answer
    x = 100,036.75

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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.