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Finding the Fourth Proportional to 89,572.48, 134,410.64 and 45,202.70

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Solution

The fourth proportional to 89,572.48, 134,410.64 and 45,202.70 is: 67,830.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,572.48 : 134,410.64 = 45,202.70 : x
  2. Step 2: Convert to fraction form
    89,572.48/134,410.64 = 45,202.70/x
  3. Step 3: Cross multiply
    89,572.48x = 134,410.64 × 45,202.70
  4. Step 4: Simplify right side
    89,572.48x = 6,075,723,836.73
  5. Step 5: Solve for x
    x = 6,075,723,836.73/89,572.48
  6. Step 6: Final answer
    x = 67,830.25

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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.