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Finding the Fourth Proportional to 207,453.63, 310,681.50 and 118,437.24

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Solution

The fourth proportional to 207,453.63, 310,681.50 and 118,437.24 is: 177,371.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,453.63 : 310,681.50 = 118,437.24 : x
  2. Step 2: Convert to fraction form
    207,453.63/310,681.50 = 118,437.24/x
  3. Step 3: Cross multiply
    207,453.63x = 310,681.50 × 118,437.24
  4. Step 4: Simplify right side
    207,453.63x = 36,796,259,379.06
  5. Step 5: Solve for x
    x = 36,796,259,379.06/207,453.63
  6. Step 6: Final answer
    x = 177,371.01

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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.