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Finding the Fourth Proportional to 75,652.40, 113,478.60 and 55,969.40

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Solution

The fourth proportional to 75,652.40, 113,478.60 and 55,969.40 is: 83,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,652.40 : 113,478.60 = 55,969.40 : x
  2. Step 2: Convert to fraction form
    75,652.40/113,478.60 = 55,969.40/x
  3. Step 3: Cross multiply
    75,652.40x = 113,478.60 × 55,969.40
  4. Step 4: Simplify right side
    75,652.40x = 6,351,329,154.84
  5. Step 5: Solve for x
    x = 6,351,329,154.84/75,652.40
  6. Step 6: Final answer
    x = 83,954.10

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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.