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Finding the Fourth Proportional to 174,703.20, 262,054.80 and 146,709.60

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Solution

The fourth proportional to 174,703.20, 262,054.80 and 146,709.60 is: 220,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,703.20 : 262,054.80 = 146,709.60 : x
  2. Step 2: Convert to fraction form
    174,703.20/262,054.80 = 146,709.60/x
  3. Step 3: Cross multiply
    174,703.20x = 262,054.80 × 146,709.60
  4. Step 4: Simplify right side
    174,703.20x = 38,445,954,886.08
  5. Step 5: Solve for x
    x = 38,445,954,886.08/174,703.20
  6. Step 6: Final answer
    x = 220,064.40

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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.