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Finding the Fourth Proportional to 94,663.84, 130,612.80 and 57,860.76

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Solution

The fourth proportional to 94,663.84, 130,612.80 and 57,860.76 is: 79,833.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,663.84 : 130,612.80 = 57,860.76 : x
  2. Step 2: Convert to fraction form
    94,663.84/130,612.80 = 57,860.76/x
  3. Step 3: Cross multiply
    94,663.84x = 130,612.80 × 57,860.76
  4. Step 4: Simplify right side
    94,663.84x = 7,557,355,873.73
  5. Step 5: Solve for x
    x = 7,557,355,873.73/94,663.84
  6. Step 6: Final answer
    x = 79,833.61

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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.