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Finding the Fourth Proportional to 171,007.20, 256,510.80 and 158,565.60

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Solution

The fourth proportional to 171,007.20, 256,510.80 and 158,565.60 is: 237,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,007.20 : 256,510.80 = 158,565.60 : x
  2. Step 2: Convert to fraction form
    171,007.20/256,510.80 = 158,565.60/x
  3. Step 3: Cross multiply
    171,007.20x = 256,510.80 × 158,565.60
  4. Step 4: Simplify right side
    171,007.20x = 40,673,788,908.48
  5. Step 5: Solve for x
    x = 40,673,788,908.48/171,007.20
  6. Step 6: Final answer
    x = 237,848.40

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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.