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Finding the Fourth Proportional to 88,898.80, 133,639.80 and 62,784.40

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Solution

The fourth proportional to 88,898.80, 133,639.80 and 62,784.40 is: 94,382.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,898.80 : 133,639.80 = 62,784.40 : x
  2. Step 2: Convert to fraction form
    88,898.80/133,639.80 = 62,784.40/x
  3. Step 3: Cross multiply
    88,898.80x = 133,639.80 × 62,784.40
  4. Step 4: Simplify right side
    88,898.80x = 8,390,494,659.12
  5. Step 5: Solve for x
    x = 8,390,494,659.12/88,898.80
  6. Step 6: Final answer
    x = 94,382.54

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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.