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Finding the Fourth Proportional to 136,061.69, 203,063.54 and 132,518.75

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Solution

The fourth proportional to 136,061.69, 203,063.54 and 132,518.75 is: 197,775.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,061.69 : 203,063.54 = 132,518.75 : x
  2. Step 2: Convert to fraction form
    136,061.69/203,063.54 = 132,518.75/x
  3. Step 3: Cross multiply
    136,061.69x = 203,063.54 × 132,518.75
  4. Step 4: Simplify right side
    136,061.69x = 26,909,724,813.46
  5. Step 5: Solve for x
    x = 26,909,724,813.46/136,061.69
  6. Step 6: Final answer
    x = 197,775.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.