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Finding the Fourth Proportional to 127,248.84, 190,866.24 and 52,350.03

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Solution

The fourth proportional to 127,248.84, 190,866.24 and 52,350.03 is: 78,522.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,248.84 : 190,866.24 = 52,350.03 : x
  2. Step 2: Convert to fraction form
    127,248.84/190,866.24 = 52,350.03/x
  3. Step 3: Cross multiply
    127,248.84x = 190,866.24 × 52,350.03
  4. Step 4: Simplify right side
    127,248.84x = 9,991,853,389.99
  5. Step 5: Solve for x
    x = 9,991,853,389.99/127,248.84
  6. Step 6: Final answer
    x = 78,522.16

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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.