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Finding the Fourth Proportional to 218,303.91, 301,149.12 and 127,600.62

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Solution

The fourth proportional to 218,303.91, 301,149.12 and 127,600.62 is: 176,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,303.91 : 301,149.12 = 127,600.62 : x
  2. Step 2: Convert to fraction form
    218,303.91/301,149.12 = 127,600.62/x
  3. Step 3: Cross multiply
    218,303.91x = 301,149.12 × 127,600.62
  4. Step 4: Simplify right side
    218,303.91x = 38,426,813,773.65
  5. Step 5: Solve for x
    x = 38,426,813,773.65/218,303.91
  6. Step 6: Final answer
    x = 176,024.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.