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Finding the Fourth Proportional to 84,601.68, 116,762.75 and 48,784.69

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Solution

The fourth proportional to 84,601.68, 116,762.75 and 48,784.69 is: 67,330.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,601.68 : 116,762.75 = 48,784.69 : x
  2. Step 2: Convert to fraction form
    84,601.68/116,762.75 = 48,784.69/x
  3. Step 3: Cross multiply
    84,601.68x = 116,762.75 × 48,784.69
  4. Step 4: Simplify right side
    84,601.68x = 5,696,234,318.37
  5. Step 5: Solve for x
    x = 5,696,234,318.37/84,601.68
  6. Step 6: Final answer
    x = 67,330.04

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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.