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Finding the Fourth Proportional to 192,415.40, 288,654.69 and 59,295.68

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Solution

The fourth proportional to 192,415.40, 288,654.69 and 59,295.68 is: 88,953.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,415.40 : 288,654.69 = 59,295.68 : x
  2. Step 2: Convert to fraction form
    192,415.40/288,654.69 = 59,295.68/x
  3. Step 3: Cross multiply
    192,415.40x = 288,654.69 × 59,295.68
  4. Step 4: Simplify right side
    192,415.40x = 17,115,976,128.74
  5. Step 5: Solve for x
    x = 17,115,976,128.74/192,415.40
  6. Step 6: Final answer
    x = 88,953.25

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1.5x scale

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.