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Finding the Fourth Proportional to 75,473.60, 113,210.40 and 48,901.55

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Solution

The fourth proportional to 75,473.60, 113,210.40 and 48,901.55 is: 73,352.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,473.60 : 113,210.40 = 48,901.55 : x
  2. Step 2: Convert to fraction form
    75,473.60/113,210.40 = 48,901.55/x
  3. Step 3: Cross multiply
    75,473.60x = 113,210.40 × 48,901.55
  4. Step 4: Simplify right side
    75,473.60x = 5,536,164,036.12
  5. Step 5: Solve for x
    x = 5,536,164,036.12/75,473.60
  6. Step 6: Final answer
    x = 73,352.33

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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.