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Finding the Fourth Proportional to 173,279.80, 260,006.10 and 98,457.40

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Solution

The fourth proportional to 173,279.80, 260,006.10 and 98,457.40 is: 147,735.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,279.80 : 260,006.10 = 98,457.40 : x
  2. Step 2: Convert to fraction form
    173,279.80/260,006.10 = 98,457.40/x
  3. Step 3: Cross multiply
    173,279.80x = 260,006.10 × 98,457.40
  4. Step 4: Simplify right side
    173,279.80x = 25,599,524,590.14
  5. Step 5: Solve for x
    x = 25,599,524,590.14/173,279.80
  6. Step 6: Final answer
    x = 147,735.19

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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.