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Finding the Fourth Proportional to 89,235.92, 123,124.92 and 53,412.32

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Solution

The fourth proportional to 89,235.92, 123,124.92 and 53,412.32 is: 73,696.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,235.92 : 123,124.92 = 53,412.32 : x
  2. Step 2: Convert to fraction form
    89,235.92/123,124.92 = 53,412.32/x
  3. Step 3: Cross multiply
    89,235.92x = 123,124.92 × 53,412.32
  4. Step 4: Simplify right side
    89,235.92x = 6,576,387,627.01
  5. Step 5: Solve for x
    x = 6,576,387,627.01/89,235.92
  6. Step 6: Final answer
    x = 73,696.64

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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.