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Finding the Fourth Proportional to 104,802.46, 144,626.48 and 57,055.69

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Solution

The fourth proportional to 104,802.46, 144,626.48 and 57,055.69 is: 78,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,802.46 : 144,626.48 = 57,055.69 : x
  2. Step 2: Convert to fraction form
    104,802.46/144,626.48 = 57,055.69/x
  3. Step 3: Cross multiply
    104,802.46x = 144,626.48 × 57,055.69
  4. Step 4: Simplify right side
    104,802.46x = 8,251,763,718.13
  5. Step 5: Solve for x
    x = 8,251,763,718.13/104,802.46
  6. Step 6: Final answer
    x = 78,736.36

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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.