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Finding the Fourth Proportional to 84,341.76, 116,402.40 and 48,520.32

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Solution

The fourth proportional to 84,341.76, 116,402.40 and 48,520.32 is: 66,964.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,341.76 : 116,402.40 = 48,520.32 : x
  2. Step 2: Convert to fraction form
    84,341.76/116,402.40 = 48,520.32/x
  3. Step 3: Cross multiply
    84,341.76x = 116,402.40 × 48,520.32
  4. Step 4: Simplify right side
    84,341.76x = 5,647,881,696.77
  5. Step 5: Solve for x
    x = 5,647,881,696.77/84,341.76
  6. Step 6: Final answer
    x = 66,964.24

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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.