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Finding the Fourth Proportional to 164,401.80, 246,335.40 and 148,655.40

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Solution

The fourth proportional to 164,401.80, 246,335.40 and 148,655.40 is: 222,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,401.80 : 246,335.40 = 148,655.40 : x
  2. Step 2: Convert to fraction form
    164,401.80/246,335.40 = 148,655.40/x
  3. Step 3: Cross multiply
    164,401.80x = 246,335.40 × 148,655.40
  4. Step 4: Simplify right side
    164,401.80x = 36,619,087,421.16
  5. Step 5: Solve for x
    x = 36,619,087,421.16/164,401.80
  6. Step 6: Final answer
    x = 222,741.40

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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.