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Finding the Fourth Proportional to 154,967.80, 232,451.70 and 153,801.40

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Solution

The fourth proportional to 154,967.80, 232,451.70 and 153,801.40 is: 230,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,967.80 : 232,451.70 = 153,801.40 : x
  2. Step 2: Convert to fraction form
    154,967.80/232,451.70 = 153,801.40/x
  3. Step 3: Cross multiply
    154,967.80x = 232,451.70 × 153,801.40
  4. Step 4: Simplify right side
    154,967.80x = 35,751,396,892.38
  5. Step 5: Solve for x
    x = 35,751,396,892.38/154,967.80
  6. Step 6: Final answer
    x = 230,702.10

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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.