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Finding the Fourth Proportional to 116,878.40, 175,479.84 and 59,992.76

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Solution

The fourth proportional to 116,878.40, 175,479.84 and 59,992.76 is: 90,072.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,878.40 : 175,479.84 = 59,992.76 : x
  2. Step 2: Convert to fraction form
    116,878.40/175,479.84 = 59,992.76/x
  3. Step 3: Cross multiply
    116,878.40x = 175,479.84 × 59,992.76
  4. Step 4: Simplify right side
    116,878.40x = 10,527,519,925.96
  5. Step 5: Solve for x
    x = 10,527,519,925.96/116,878.40
  6. Step 6: Final answer
    x = 90,072.42

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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.