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Finding the Fourth Proportional to 146,919.66, 220,379.50 and 96,988.08

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Solution

The fourth proportional to 146,919.66, 220,379.50 and 96,988.08 is: 145,482.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,919.66 : 220,379.50 = 96,988.08 : x
  2. Step 2: Convert to fraction form
    146,919.66/220,379.50 = 96,988.08/x
  3. Step 3: Cross multiply
    146,919.66x = 220,379.50 × 96,988.08
  4. Step 4: Simplify right side
    146,919.66x = 21,374,184,576.36
  5. Step 5: Solve for x
    x = 21,374,184,576.36/146,919.66
  6. Step 6: Final answer
    x = 145,482.13

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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.