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Finding the Fourth Proportional to 223,996.80, 308,980.80 and 176,174.40

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Solution

The fourth proportional to 223,996.80, 308,980.80 and 176,174.40 is: 243,014.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,996.80 : 308,980.80 = 176,174.40 : x
  2. Step 2: Convert to fraction form
    223,996.80/308,980.80 = 176,174.40/x
  3. Step 3: Cross multiply
    223,996.80x = 308,980.80 × 176,174.40
  4. Step 4: Simplify right side
    223,996.80x = 54,434,507,051.52
  5. Step 5: Solve for x
    x = 54,434,507,051.52/223,996.80
  6. Step 6: Final answer
    x = 243,014.66

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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.