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Finding the Fourth Proportional to 173,298.80, 259,510.80 and 113,812.40

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Solution

The fourth proportional to 173,298.80, 259,510.80 and 113,812.40 is: 170,431.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,298.80 : 259,510.80 = 113,812.40 : x
  2. Step 2: Convert to fraction form
    173,298.80/259,510.80 = 113,812.40/x
  3. Step 3: Cross multiply
    173,298.80x = 259,510.80 × 113,812.40
  4. Step 4: Simplify right side
    173,298.80x = 29,535,546,973.92
  5. Step 5: Solve for x
    x = 29,535,546,973.92/173,298.80
  6. Step 6: Final answer
    x = 170,431.34

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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.