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Finding the Fourth Proportional to 147,470.63, 221,206.75 and 36,662.63

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Solution

The fourth proportional to 147,470.63, 221,206.75 and 36,662.63 is: 54,994.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,470.63 : 221,206.75 = 36,662.63 : x
  2. Step 2: Convert to fraction form
    147,470.63/221,206.75 = 36,662.63/x
  3. Step 3: Cross multiply
    147,470.63x = 221,206.75 × 36,662.63
  4. Step 4: Simplify right side
    147,470.63x = 8,110,020,031.06
  5. Step 5: Solve for x
    x = 8,110,020,031.06/147,470.63
  6. Step 6: Final answer
    x = 54,994.14

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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.