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Finding the Fourth Proportional to 173,574.80, 260,070.60 and 84,636.80

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Solution

The fourth proportional to 173,574.80, 260,070.60 and 84,636.80 is: 126,813.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,574.80 : 260,070.60 = 84,636.80 : x
  2. Step 2: Convert to fraction form
    173,574.80/260,070.60 = 84,636.80/x
  3. Step 3: Cross multiply
    173,574.80x = 260,070.60 × 84,636.80
  4. Step 4: Simplify right side
    173,574.80x = 22,011,543,358.08
  5. Step 5: Solve for x
    x = 22,011,543,358.08/173,574.80
  6. Step 6: Final answer
    x = 126,813.01

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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.