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Finding the Fourth Proportional to 127,580.80, 190,933.80 and 88,214.80

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Solution

The fourth proportional to 127,580.80, 190,933.80 and 88,214.80 is: 132,019.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,580.80 : 190,933.80 = 88,214.80 : x
  2. Step 2: Convert to fraction form
    127,580.80/190,933.80 = 88,214.80/x
  3. Step 3: Cross multiply
    127,580.80x = 190,933.80 × 88,214.80
  4. Step 4: Simplify right side
    127,580.80x = 16,843,186,980.24
  5. Step 5: Solve for x
    x = 16,843,186,980.24/127,580.80
  6. Step 6: Final answer
    x = 132,019.76

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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.