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Finding the Fourth Proportional to 235,996.93, 325,674.48 and 128,566.70

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Solution

The fourth proportional to 235,996.93, 325,674.48 and 128,566.70 is: 177,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,996.93 : 325,674.48 = 128,566.70 : x
  2. Step 2: Convert to fraction form
    235,996.93/325,674.48 = 128,566.70/x
  3. Step 3: Cross multiply
    235,996.93x = 325,674.48 × 128,566.70
  4. Step 4: Simplify right side
    235,996.93x = 41,870,893,167.82
  5. Step 5: Solve for x
    x = 41,870,893,167.82/235,996.93
  6. Step 6: Final answer
    x = 177,421.35

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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.