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Finding the Fourth Proportional to 146,953.40, 220,430.10 and 73,225.40

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Solution

The fourth proportional to 146,953.40, 220,430.10 and 73,225.40 is: 109,838.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,953.40 : 220,430.10 = 73,225.40 : x
  2. Step 2: Convert to fraction form
    146,953.40/220,430.10 = 73,225.40/x
  3. Step 3: Cross multiply
    146,953.40x = 220,430.10 × 73,225.40
  4. Step 4: Simplify right side
    146,953.40x = 16,141,082,244.54
  5. Step 5: Solve for x
    x = 16,141,082,244.54/146,953.40
  6. Step 6: Final answer
    x = 109,838.10

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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.