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Finding the Fourth Proportional to 145,179.84, 200,369.88 and 88,624.02

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Solution

The fourth proportional to 145,179.84, 200,369.88 and 88,624.02 is: 122,314.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,179.84 : 200,369.88 = 88,624.02 : x
  2. Step 2: Convert to fraction form
    145,179.84/200,369.88 = 88,624.02/x
  3. Step 3: Cross multiply
    145,179.84x = 200,369.88 × 88,624.02
  4. Step 4: Simplify right side
    145,179.84x = 17,757,584,252.52
  5. Step 5: Solve for x
    x = 17,757,584,252.52/145,179.84
  6. Step 6: Final answer
    x = 122,314.39

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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.