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Finding the Fourth Proportional to 84,489.84, 116,550.84 and 52,242.51

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Solution

The fourth proportional to 84,489.84, 116,550.84 and 52,242.51 is: 72,066.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,489.84 : 116,550.84 = 52,242.51 : x
  2. Step 2: Convert to fraction form
    84,489.84/116,550.84 = 52,242.51/x
  3. Step 3: Cross multiply
    84,489.84x = 116,550.84 × 52,242.51
  4. Step 4: Simplify right side
    84,489.84x = 6,088,908,424.21
  5. Step 5: Solve for x
    x = 6,088,908,424.21/84,489.84
  6. Step 6: Final answer
    x = 72,066.75

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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.