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Finding the Fourth Proportional to 101,952.36, 153,007.16 and 51,403.04

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Solution

The fourth proportional to 101,952.36, 153,007.16 and 51,403.04 is: 77,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,952.36 : 153,007.16 = 51,403.04 : x
  2. Step 2: Convert to fraction form
    101,952.36/153,007.16 = 51,403.04/x
  3. Step 3: Cross multiply
    101,952.36x = 153,007.16 × 51,403.04
  4. Step 4: Simplify right side
    101,952.36x = 7,865,033,165.77
  5. Step 5: Solve for x
    x = 7,865,033,165.77/101,952.36
  6. Step 6: Final answer
    x = 77,144.20

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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.