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Finding the Fourth Proportional to 146,458.80, 219,623.40 and 67,532.40

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Solution

The fourth proportional to 146,458.80, 219,623.40 and 67,532.40 is: 101,268.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,458.80 : 219,623.40 = 67,532.40 : x
  2. Step 2: Convert to fraction form
    146,458.80/219,623.40 = 67,532.40/x
  3. Step 3: Cross multiply
    146,458.80x = 219,623.40 × 67,532.40
  4. Step 4: Simplify right side
    146,458.80x = 14,831,695,298.16
  5. Step 5: Solve for x
    x = 14,831,695,298.16/146,458.80
  6. Step 6: Final answer
    x = 101,268.72

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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.