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Finding the Fourth Proportional to 84,802.59, 117,018.90 and 49,004.13

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Solution

The fourth proportional to 84,802.59, 117,018.90 and 49,004.13 is: 67,620.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,802.59 : 117,018.90 = 49,004.13 : x
  2. Step 2: Convert to fraction form
    84,802.59/117,018.90 = 49,004.13/x
  3. Step 3: Cross multiply
    84,802.59x = 117,018.90 × 49,004.13
  4. Step 4: Simplify right side
    84,802.59x = 5,734,409,388.06
  5. Step 5: Solve for x
    x = 5,734,409,388.06/84,802.59
  6. Step 6: Final answer
    x = 67,620.69

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1.5x scale

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.