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Finding the Fourth Proportional to 188,300.02, 259,866.75 and 103,417.96

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Solution

The fourth proportional to 188,300.02, 259,866.75 and 103,417.96 is: 142,723.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,300.02 : 259,866.75 = 103,417.96 : x
  2. Step 2: Convert to fraction form
    188,300.02/259,866.75 = 103,417.96/x
  3. Step 3: Cross multiply
    188,300.02x = 259,866.75 × 103,417.96
  4. Step 4: Simplify right side
    188,300.02x = 26,874,889,156.83
  5. Step 5: Solve for x
    x = 26,874,889,156.83/188,300.02
  6. Step 6: Final answer
    x = 142,723.77

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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.