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Finding the Fourth Proportional to 173,300.55, 259,724.35 and 125,430.34

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Solution

The fourth proportional to 173,300.55, 259,724.35 and 125,430.34 is: 187,981.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,300.55 : 259,724.35 = 125,430.34 : x
  2. Step 2: Convert to fraction form
    173,300.55/259,724.35 = 125,430.34/x
  3. Step 3: Cross multiply
    173,300.55x = 259,724.35 × 125,430.34
  4. Step 4: Simplify right side
    173,300.55x = 32,577,313,526.78
  5. Step 5: Solve for x
    x = 32,577,313,526.78/173,300.55
  6. Step 6: Final answer
    x = 187,981.59

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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.