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Finding the Fourth Proportional to 223,430.25, 308,597.00 and 147,847.53

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Solution

The fourth proportional to 223,430.25, 308,597.00 and 147,847.53 is: 204,203.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,430.25 : 308,597.00 = 147,847.53 : x
  2. Step 2: Convert to fraction form
    223,430.25/308,597.00 = 147,847.53/x
  3. Step 3: Cross multiply
    223,430.25x = 308,597.00 × 147,847.53
  4. Step 4: Simplify right side
    223,430.25x = 45,625,303,476.17
  5. Step 5: Solve for x
    x = 45,625,303,476.17/223,430.25
  6. Step 6: Final answer
    x = 204,203.79

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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.