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Finding the Fourth Proportional to 188,458.01, 260,061.12 and 103,575.07

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Solution

The fourth proportional to 188,458.01, 260,061.12 and 103,575.07 is: 142,927.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,458.01 : 260,061.12 = 103,575.07 : x
  2. Step 2: Convert to fraction form
    188,458.01/260,061.12 = 103,575.07/x
  3. Step 3: Cross multiply
    188,458.01x = 260,061.12 × 103,575.07
  4. Step 4: Simplify right side
    188,458.01x = 26,935,848,708.28
  5. Step 5: Solve for x
    x = 26,935,848,708.28/188,458.01
  6. Step 6: Final answer
    x = 142,927.59

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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.