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Finding the Fourth Proportional to 185,881.69, 256,519.07 and 101,000.17

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Solution

The fourth proportional to 185,881.69, 256,519.07 and 101,000.17 is: 139,381.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,881.69 : 256,519.07 = 101,000.17 : x
  2. Step 2: Convert to fraction form
    185,881.69/256,519.07 = 101,000.17/x
  3. Step 3: Cross multiply
    185,881.69x = 256,519.07 × 101,000.17
  4. Step 4: Simplify right side
    185,881.69x = 25,908,469,678.24
  5. Step 5: Solve for x
    x = 25,908,469,678.24/185,881.69
  6. Step 6: Final answer
    x = 139,381.50

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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.