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Finding the Fourth Proportional to 191,074.39, 286,612.26 and 57,955.79

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Solution

The fourth proportional to 191,074.39, 286,612.26 and 57,955.79 is: 86,933.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,074.39 : 286,612.26 = 57,955.79 : x
  2. Step 2: Convert to fraction form
    191,074.39/286,612.26 = 57,955.79/x
  3. Step 3: Cross multiply
    191,074.39x = 286,612.26 × 57,955.79
  4. Step 4: Simplify right side
    191,074.39x = 16,610,839,951.99
  5. Step 5: Solve for x
    x = 16,610,839,951.99/191,074.39
  6. Step 6: Final answer
    x = 86,933.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.