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Finding the Fourth Proportional to 127,357.30, 190,922.96 and 64,094.68

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Solution

The fourth proportional to 127,357.30, 190,922.96 and 64,094.68 is: 96,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,357.30 : 190,922.96 = 64,094.68 : x
  2. Step 2: Convert to fraction form
    127,357.30/190,922.96 = 64,094.68/x
  3. Step 3: Cross multiply
    127,357.30x = 190,922.96 × 64,094.68
  4. Step 4: Simplify right side
    127,357.30x = 12,237,145,705.38
  5. Step 5: Solve for x
    x = 12,237,145,705.38/127,357.30
  6. Step 6: Final answer
    x = 96,085.15

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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.