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Finding the Fourth Proportional to 158,157.75, 237,248.79 and 45,839.49

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Solution

The fourth proportional to 158,157.75, 237,248.79 and 45,839.49 is: 68,762.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,157.75 : 237,248.79 = 45,839.49 : x
  2. Step 2: Convert to fraction form
    158,157.75/237,248.79 = 45,839.49/x
  3. Step 3: Cross multiply
    158,157.75x = 237,248.79 × 45,839.49
  4. Step 4: Simplify right side
    158,157.75x = 10,875,363,536.72
  5. Step 5: Solve for x
    x = 10,875,363,536.72/158,157.75
  6. Step 6: Final answer
    x = 68,762.76

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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.