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Finding the Fourth Proportional to 173,206.80, 259,896.60 and 98,384.40

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Solution

The fourth proportional to 173,206.80, 259,896.60 and 98,384.40 is: 147,625.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,206.80 : 259,896.60 = 98,384.40 : x
  2. Step 2: Convert to fraction form
    173,206.80/259,896.60 = 98,384.40/x
  3. Step 3: Cross multiply
    173,206.80x = 259,896.60 × 98,384.40
  4. Step 4: Simplify right side
    173,206.80x = 25,569,771,053.04
  5. Step 5: Solve for x
    x = 25,569,771,053.04/173,206.80
  6. Step 6: Final answer
    x = 147,625.68

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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.