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Finding the Fourth Proportional to 192,281.84, 288,374.08 and 57,314.76

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Solution

The fourth proportional to 192,281.84, 288,374.08 and 57,314.76 is: 85,957.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,281.84 : 288,374.08 = 57,314.76 : x
  2. Step 2: Convert to fraction form
    192,281.84/288,374.08 = 57,314.76/x
  3. Step 3: Cross multiply
    192,281.84x = 288,374.08 × 57,314.76
  4. Step 4: Simplify right side
    192,281.84x = 16,528,091,185.42
  5. Step 5: Solve for x
    x = 16,528,091,185.42/192,281.84
  6. Step 6: Final answer
    x = 85,957.63

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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.