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Finding the Fourth Proportional to 185,042.40, 277,393.50 and 66,684.81

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Solution

The fourth proportional to 185,042.40, 277,393.50 and 66,684.81 is: 99,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,042.40 : 277,393.50 = 66,684.81 : x
  2. Step 2: Convert to fraction form
    185,042.40/277,393.50 = 66,684.81/x
  3. Step 3: Cross multiply
    185,042.40x = 277,393.50 × 66,684.81
  4. Step 4: Simplify right side
    185,042.40x = 18,497,932,842.74
  5. Step 5: Solve for x
    x = 18,497,932,842.74/185,042.40
  6. Step 6: Final answer
    x = 99,965.92

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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.