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Finding the Fourth Proportional to 84,352.32, 116,406.32 and 48,541.68

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Solution

The fourth proportional to 84,352.32, 116,406.32 and 48,541.68 is: 66,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,352.32 : 116,406.32 = 48,541.68 : x
  2. Step 2: Convert to fraction form
    84,352.32/116,406.32 = 48,541.68/x
  3. Step 3: Cross multiply
    84,352.32x = 116,406.32 × 48,541.68
  4. Step 4: Simplify right side
    84,352.32x = 5,650,558,092.71
  5. Step 5: Solve for x
    x = 5,650,558,092.71/84,352.32
  6. Step 6: Final answer
    x = 66,987.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.