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Finding the Fourth Proportional to 104,712.96, 155,885.11 and 104,090.19

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Solution

The fourth proportional to 104,712.96, 155,885.11 and 104,090.19 is: 154,958.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,712.96 : 155,885.11 = 104,090.19 : x
  2. Step 2: Convert to fraction form
    104,712.96/155,885.11 = 104,090.19/x
  3. Step 3: Cross multiply
    104,712.96x = 155,885.11 × 104,090.19
  4. Step 4: Simplify right side
    104,712.96x = 16,226,110,718.07
  5. Step 5: Solve for x
    x = 16,226,110,718.07/104,712.96
  6. Step 6: Final answer
    x = 154,958.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.