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Finding the Fourth Proportional to 154,267.80, 231,401.70 and 112,058.70

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Solution

The fourth proportional to 154,267.80, 231,401.70 and 112,058.70 is: 168,088.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,267.80 : 231,401.70 = 112,058.70 : x
  2. Step 2: Convert to fraction form
    154,267.80/231,401.70 = 112,058.70/x
  3. Step 3: Cross multiply
    154,267.80x = 231,401.70 × 112,058.70
  4. Step 4: Simplify right side
    154,267.80x = 25,930,573,679.79
  5. Step 5: Solve for x
    x = 25,930,573,679.79/154,267.80
  6. Step 6: Final answer
    x = 168,088.05

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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.