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Finding the Fourth Proportional to 177,482.50, 266,262.63 and 66,674.50

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Solution

The fourth proportional to 177,482.50, 266,262.63 and 66,674.50 is: 100,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,482.50 : 266,262.63 = 66,674.50 : x
  2. Step 2: Convert to fraction form
    177,482.50/266,262.63 = 66,674.50/x
  3. Step 3: Cross multiply
    177,482.50x = 266,262.63 × 66,674.50
  4. Step 4: Simplify right side
    177,482.50x = 17,752,927,723.94
  5. Step 5: Solve for x
    x = 17,752,927,723.94/177,482.50
  6. Step 6: Final answer
    x = 100,026.36

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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.