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Finding the Fourth Proportional to 84,957.66, 117,228.72 and 48,653.46

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Solution

The fourth proportional to 84,957.66, 117,228.72 and 48,653.46 is: 67,134.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,957.66 : 117,228.72 = 48,653.46 : x
  2. Step 2: Convert to fraction form
    84,957.66/117,228.72 = 48,653.46/x
  3. Step 3: Cross multiply
    84,957.66x = 117,228.72 × 48,653.46
  4. Step 4: Simplify right side
    84,957.66x = 5,703,582,009.96
  5. Step 5: Solve for x
    x = 5,703,582,009.96/84,957.66
  6. Step 6: Final answer
    x = 67,134.41

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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.