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Finding the Fourth Proportional to 192,403.96, 288,643.74 and 59,261.56

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Solution

The fourth proportional to 192,403.96, 288,643.74 and 59,261.56 is: 88,903.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,403.96 : 288,643.74 = 59,261.56 : x
  2. Step 2: Convert to fraction form
    192,403.96/288,643.74 = 59,261.56/x
  3. Step 3: Cross multiply
    192,403.96x = 288,643.74 × 59,261.56
  4. Step 4: Simplify right side
    192,403.96x = 17,105,478,316.63
  5. Step 5: Solve for x
    x = 17,105,478,316.63/192,403.96
  6. Step 6: Final answer
    x = 88,903.98

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1.5x scale

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.