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Finding the Fourth Proportional to 173,205.60, 259,808.40 and 147,836.40

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Solution

The fourth proportional to 173,205.60, 259,808.40 and 147,836.40 is: 221,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,205.60 : 259,808.40 = 147,836.40 : x
  2. Step 2: Convert to fraction form
    173,205.60/259,808.40 = 147,836.40/x
  3. Step 3: Cross multiply
    173,205.60x = 259,808.40 × 147,836.40
  4. Step 4: Simplify right side
    173,205.60x = 38,409,138,545.76
  5. Step 5: Solve for x
    x = 38,409,138,545.76/173,205.60
  6. Step 6: Final answer
    x = 221,754.60

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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.