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Finding the Fourth Proportional to 154,667.40, 232,001.10 and 137,041.80

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Solution

The fourth proportional to 154,667.40, 232,001.10 and 137,041.80 is: 205,562.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,667.40 : 232,001.10 = 137,041.80 : x
  2. Step 2: Convert to fraction form
    154,667.40/232,001.10 = 137,041.80/x
  3. Step 3: Cross multiply
    154,667.40x = 232,001.10 × 137,041.80
  4. Step 4: Simplify right side
    154,667.40x = 31,793,848,345.98
  5. Step 5: Solve for x
    x = 31,793,848,345.98/154,667.40
  6. Step 6: Final answer
    x = 205,562.70

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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.