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Finding the Fourth Proportional to 174,952.70, 262,429.05 and 121,298.30

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Solution

The fourth proportional to 174,952.70, 262,429.05 and 121,298.30 is: 181,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,952.70 : 262,429.05 = 121,298.30 : x
  2. Step 2: Convert to fraction form
    174,952.70/262,429.05 = 121,298.30/x
  3. Step 3: Cross multiply
    174,952.70x = 262,429.05 × 121,298.30
  4. Step 4: Simplify right side
    174,952.70x = 31,832,197,635.62
  5. Step 5: Solve for x
    x = 31,832,197,635.62/174,952.70
  6. Step 6: Final answer
    x = 181,947.45

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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.