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Finding the Fourth Proportional to 75,160.76, 112,748.60 and 27,788.28

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Solution

The fourth proportional to 75,160.76, 112,748.60 and 27,788.28 is: 41,685.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,160.76 : 112,748.60 = 27,788.28 : x
  2. Step 2: Convert to fraction form
    75,160.76/112,748.60 = 27,788.28/x
  3. Step 3: Cross multiply
    75,160.76x = 112,748.60 × 27,788.28
  4. Step 4: Simplify right side
    75,160.76x = 3,133,089,666.41
  5. Step 5: Solve for x
    x = 3,133,089,666.41/75,160.76
  6. Step 6: Final answer
    x = 41,685.18

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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.