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Finding the Fourth Proportional to 84,410.60, 116,492.10 and 48,612.20

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Solution

The fourth proportional to 84,410.60, 116,492.10 and 48,612.20 is: 67,087.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,410.60 : 116,492.10 = 48,612.20 : x
  2. Step 2: Convert to fraction form
    84,410.60/116,492.10 = 48,612.20/x
  3. Step 3: Cross multiply
    84,410.60x = 116,492.10 × 48,612.20
  4. Step 4: Simplify right side
    84,410.60x = 5,662,937,263.62
  5. Step 5: Solve for x
    x = 5,662,937,263.62/84,410.60
  6. Step 6: Final answer
    x = 67,087.99

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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.