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Finding the Fourth Proportional to 218,616.11, 301,829.52 and 178,425.74

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Solution

The fourth proportional to 218,616.11, 301,829.52 and 178,425.74 is: 246,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,616.11 : 301,829.52 = 178,425.74 : x
  2. Step 2: Convert to fraction form
    218,616.11/301,829.52 = 178,425.74/x
  3. Step 3: Cross multiply
    218,616.11x = 301,829.52 × 178,425.74
  4. Step 4: Simplify right side
    218,616.11x = 53,854,153,950.70
  5. Step 5: Solve for x
    x = 53,854,153,950.70/218,616.11
  6. Step 6: Final answer
    x = 246,341.20

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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.