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Finding the Fourth Proportional to 192,455.60, 265,581.60 and 107,574.08

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Solution

The fourth proportional to 192,455.60, 265,581.60 and 107,574.08 is: 148,448.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,455.60 : 265,581.60 = 107,574.08 : x
  2. Step 2: Convert to fraction form
    192,455.60/265,581.60 = 107,574.08/x
  3. Step 3: Cross multiply
    192,455.60x = 265,581.60 × 107,574.08
  4. Step 4: Simplify right side
    192,455.60x = 28,569,696,284.93
  5. Step 5: Solve for x
    x = 28,569,696,284.93/192,455.60
  6. Step 6: Final answer
    x = 148,448.25

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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.