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Finding the Fourth Proportional to 174,015.40, 260,439.90 and 153,020.20

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Solution

The fourth proportional to 174,015.40, 260,439.90 and 153,020.20 is: 229,017.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,015.40 : 260,439.90 = 153,020.20 : x
  2. Step 2: Convert to fraction form
    174,015.40/260,439.90 = 153,020.20/x
  3. Step 3: Cross multiply
    174,015.40x = 260,439.90 × 153,020.20
  4. Step 4: Simplify right side
    174,015.40x = 39,852,565,585.98
  5. Step 5: Solve for x
    x = 39,852,565,585.98/174,015.40
  6. Step 6: Final answer
    x = 229,017.46

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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.