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Finding the Fourth Proportional to 223,297.04, 308,132.04 and 127,781.84

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Solution

The fourth proportional to 223,297.04, 308,132.04 and 127,781.84 is: 176,328.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,297.04 : 308,132.04 = 127,781.84 : x
  2. Step 2: Convert to fraction form
    223,297.04/308,132.04 = 127,781.84/x
  3. Step 3: Cross multiply
    223,297.04x = 308,132.04 × 127,781.84
  4. Step 4: Simplify right side
    223,297.04x = 39,373,679,034.15
  5. Step 5: Solve for x
    x = 39,373,679,034.15/223,297.04
  6. Step 6: Final answer
    x = 176,328.71

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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.