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Finding the Fourth Proportional to 185,980.91, 256,681.73 and 113,425.91

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Solution

The fourth proportional to 185,980.91, 256,681.73 and 113,425.91 is: 156,544.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,980.91 : 256,681.73 = 113,425.91 : x
  2. Step 2: Convert to fraction form
    185,980.91/256,681.73 = 113,425.91/x
  3. Step 3: Cross multiply
    185,980.91x = 256,681.73 × 113,425.91
  4. Step 4: Simplify right side
    185,980.91x = 29,114,356,955.09
  5. Step 5: Solve for x
    x = 29,114,356,955.09/185,980.91
  6. Step 6: Final answer
    x = 156,544.87

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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.