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Finding the Fourth Proportional to 98,952, 136,554.24 and 59,208

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Solution

The fourth proportional to 98,952, 136,554.24 and 59,208 is: 81,707.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,952 : 136,554.24 = 59,208 : x
  2. Step 2: Convert to fraction form
    98,952/136,554.24 = 59,208/x
  3. Step 3: Cross multiply
    98,952x = 136,554.24 × 59,208
  4. Step 4: Simplify right side
    98,952x = 8,085,103,441.92
  5. Step 5: Solve for x
    x = 8,085,103,441.92/98,952
  6. Step 6: Final answer
    x = 81,707.33

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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.