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Finding the Fourth Proportional to 223,232.60, 334,557.30 and 90,003.80

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Solution

The fourth proportional to 223,232.60, 334,557.30 and 90,003.80 is: 134,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,232.60 : 334,557.30 = 90,003.80 : x
  2. Step 2: Convert to fraction form
    223,232.60/334,557.30 = 90,003.80/x
  3. Step 3: Cross multiply
    223,232.60x = 334,557.30 × 90,003.80
  4. Step 4: Simplify right side
    223,232.60x = 30,111,428,317.74
  5. Step 5: Solve for x
    x = 30,111,428,317.74/223,232.60
  6. Step 6: Final answer
    x = 134,888.13

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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.