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Finding the Fourth Proportional to 183,550.80, 253,032 and 129,740.88

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Solution

The fourth proportional to 183,550.80, 253,032 and 129,740.88 is: 178,852.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,550.80 : 253,032 = 129,740.88 : x
  2. Step 2: Convert to fraction form
    183,550.80/253,032 = 129,740.88/x
  3. Step 3: Cross multiply
    183,550.80x = 253,032 × 129,740.88
  4. Step 4: Simplify right side
    183,550.80x = 32,828,594,348.16
  5. Step 5: Solve for x
    x = 32,828,594,348.16/183,550.80
  6. Step 6: Final answer
    x = 178,852.91

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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.