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Finding the Fourth Proportional to 173,111.80, 259,702.80 and 98,267.80

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Solution

The fourth proportional to 173,111.80, 259,702.80 and 98,267.80 is: 147,421.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,111.80 : 259,702.80 = 98,267.80 : x
  2. Step 2: Convert to fraction form
    173,111.80/259,702.80 = 98,267.80/x
  3. Step 3: Cross multiply
    173,111.80x = 259,702.80 × 98,267.80
  4. Step 4: Simplify right side
    173,111.80x = 25,520,422,809.84
  5. Step 5: Solve for x
    x = 25,520,422,809.84/173,111.80
  6. Step 6: Final answer
    x = 147,421.62

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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.