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Finding the Fourth Proportional to 150,003.40, 225,005.10 and 146,547.40

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Solution

The fourth proportional to 150,003.40, 225,005.10 and 146,547.40 is: 219,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,003.40 : 225,005.10 = 146,547.40 : x
  2. Step 2: Convert to fraction form
    150,003.40/225,005.10 = 146,547.40/x
  3. Step 3: Cross multiply
    150,003.40x = 225,005.10 × 146,547.40
  4. Step 4: Simplify right side
    150,003.40x = 32,973,912,391.74
  5. Step 5: Solve for x
    x = 32,973,912,391.74/150,003.40
  6. Step 6: Final answer
    x = 219,821.10

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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.