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Finding the Fourth Proportional to 158,661.40, 238,002.90 and 50,582.20

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Solution

The fourth proportional to 158,661.40, 238,002.90 and 50,582.20 is: 75,876.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,661.40 : 238,002.90 = 50,582.20 : x
  2. Step 2: Convert to fraction form
    158,661.40/238,002.90 = 50,582.20/x
  3. Step 3: Cross multiply
    158,661.40x = 238,002.90 × 50,582.20
  4. Step 4: Simplify right side
    158,661.40x = 12,038,710,288.38
  5. Step 5: Solve for x
    x = 12,038,710,288.38/158,661.40
  6. Step 6: Final answer
    x = 75,876.74

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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.