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Finding the Fourth Proportional to 147,752.66, 221,648.13 and 67,771.32

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Solution

The fourth proportional to 147,752.66, 221,648.13 and 67,771.32 is: 101,665.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,752.66 : 221,648.13 = 67,771.32 : x
  2. Step 2: Convert to fraction form
    147,752.66/221,648.13 = 67,771.32/x
  3. Step 3: Cross multiply
    147,752.66x = 221,648.13 × 67,771.32
  4. Step 4: Simplify right side
    147,752.66x = 15,021,386,345.63
  5. Step 5: Solve for x
    x = 15,021,386,345.63/147,752.66
  6. Step 6: Final answer
    x = 101,665.76

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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.