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Finding the Fourth Proportional to 160,533.36, 240,815.88 and 55,338.48

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Solution

The fourth proportional to 160,533.36, 240,815.88 and 55,338.48 is: 83,013.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,533.36 : 240,815.88 = 55,338.48 : x
  2. Step 2: Convert to fraction form
    160,533.36/240,815.88 = 55,338.48/x
  3. Step 3: Cross multiply
    160,533.36x = 240,815.88 × 55,338.48
  4. Step 4: Simplify right side
    160,533.36x = 13,326,384,759.06
  5. Step 5: Solve for x
    x = 13,326,384,759.06/160,533.36
  6. Step 6: Final answer
    x = 83,013.18

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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.