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Finding the Fourth Proportional to 127,006.70, 190,597.53 and 43,900.70

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Solution

The fourth proportional to 127,006.70, 190,597.53 and 43,900.70 is: 65,881.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,006.70 : 190,597.53 = 43,900.70 : x
  2. Step 2: Convert to fraction form
    127,006.70/190,597.53 = 43,900.70/x
  3. Step 3: Cross multiply
    127,006.70x = 190,597.53 × 43,900.70
  4. Step 4: Simplify right side
    127,006.70x = 8,367,364,032.28
  5. Step 5: Solve for x
    x = 8,367,364,032.28/127,006.70
  6. Step 6: Final answer
    x = 65,881.28

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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.