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Finding the Fourth Proportional to 146,157.66, 201,623.13 and 88,781.67

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Solution

The fourth proportional to 146,157.66, 201,623.13 and 88,781.67 is: 122,473.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,157.66 : 201,623.13 = 88,781.67 : x
  2. Step 2: Convert to fraction form
    146,157.66/201,623.13 = 88,781.67/x
  3. Step 3: Cross multiply
    146,157.66x = 201,623.13 × 88,781.67
  4. Step 4: Simplify right side
    146,157.66x = 17,900,438,192.03
  5. Step 5: Solve for x
    x = 17,900,438,192.03/146,157.66
  6. Step 6: Final answer
    x = 122,473.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.