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Finding the Fourth Proportional to 147,600.65, 221,429.78 and 63,360.65

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Solution

The fourth proportional to 147,600.65, 221,429.78 and 63,360.65 is: 95,053.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,600.65 : 221,429.78 = 63,360.65 : x
  2. Step 2: Convert to fraction form
    147,600.65/221,429.78 = 63,360.65/x
  3. Step 3: Cross multiply
    147,600.65x = 221,429.78 × 63,360.65
  4. Step 4: Simplify right side
    147,600.65x = 14,029,934,473.35
  5. Step 5: Solve for x
    x = 14,029,934,473.35/147,600.65
  6. Step 6: Final answer
    x = 95,053.34

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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.