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Finding the Fourth Proportional to 154,265.80, 231,398.70 and 112,056.70

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Solution

The fourth proportional to 154,265.80, 231,398.70 and 112,056.70 is: 168,085.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,265.80 : 231,398.70 = 112,056.70 : x
  2. Step 2: Convert to fraction form
    154,265.80/231,398.70 = 112,056.70/x
  3. Step 3: Cross multiply
    154,265.80x = 231,398.70 × 112,056.70
  4. Step 4: Simplify right side
    154,265.80x = 25,929,774,706.29
  5. Step 5: Solve for x
    x = 25,929,774,706.29/154,265.80
  6. Step 6: Final answer
    x = 168,085.05

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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.