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Finding the Fourth Proportional to 158,323.20, 237,484.80 and 39,994.88

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Solution

The fourth proportional to 158,323.20, 237,484.80 and 39,994.88 is: 59,992.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,323.20 : 237,484.80 = 39,994.88 : x
  2. Step 2: Convert to fraction form
    158,323.20/237,484.80 = 39,994.88/x
  3. Step 3: Cross multiply
    158,323.20x = 237,484.80 × 39,994.88
  4. Step 4: Simplify right side
    158,323.20x = 9,498,176,077.82
  5. Step 5: Solve for x
    x = 9,498,176,077.82/158,323.20
  6. Step 6: Final answer
    x = 59,992.32

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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.