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Finding the Fourth Proportional to 180,090.90, 248,522.02 and 99,516.68

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Solution

The fourth proportional to 180,090.90, 248,522.02 and 99,516.68 is: 137,331.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,090.90 : 248,522.02 = 99,516.68 : x
  2. Step 2: Convert to fraction form
    180,090.90/248,522.02 = 99,516.68/x
  3. Step 3: Cross multiply
    180,090.90x = 248,522.02 × 99,516.68
  4. Step 4: Simplify right side
    180,090.90x = 24,732,086,337.29
  5. Step 5: Solve for x
    x = 24,732,086,337.29/180,090.90
  6. Step 6: Final answer
    x = 137,331.13

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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.