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Finding the Fourth Proportional to 89,004.80, 133,798.80 and 62,890.40

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Solution

The fourth proportional to 89,004.80, 133,798.80 and 62,890.40 is: 94,541.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,004.80 : 133,798.80 = 62,890.40 : x
  2. Step 2: Convert to fraction form
    89,004.80/133,798.80 = 62,890.40/x
  3. Step 3: Cross multiply
    89,004.80x = 133,798.80 × 62,890.40
  4. Step 4: Simplify right side
    89,004.80x = 8,414,660,051.52
  5. Step 5: Solve for x
    x = 8,414,660,051.52/89,004.80
  6. Step 6: Final answer
    x = 94,541.64

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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.