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Finding the Fourth Proportional to 173,316.56, 260,070.96 and 84,570.80

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Solution

The fourth proportional to 173,316.56, 260,070.96 and 84,570.80 is: 126,903.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,316.56 : 260,070.96 = 84,570.80 : x
  2. Step 2: Convert to fraction form
    173,316.56/260,070.96 = 84,570.80/x
  3. Step 3: Cross multiply
    173,316.56x = 260,070.96 × 84,570.80
  4. Step 4: Simplify right side
    173,316.56x = 21,994,409,143.97
  5. Step 5: Solve for x
    x = 21,994,409,143.97/173,316.56
  6. Step 6: Final answer
    x = 126,903.10

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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.