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Finding the Fourth Proportional to 62,179.70, 93,235.35 and 42,480.50

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Solution

The fourth proportional to 62,179.70, 93,235.35 and 42,480.50 is: 63,697.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,179.70 : 93,235.35 = 42,480.50 : x
  2. Step 2: Convert to fraction form
    62,179.70/93,235.35 = 42,480.50/x
  3. Step 3: Cross multiply
    62,179.70x = 93,235.35 × 42,480.50
  4. Step 4: Simplify right side
    62,179.70x = 3,960,684,285.68
  5. Step 5: Solve for x
    x = 3,960,684,285.68/62,179.70
  6. Step 6: Final answer
    x = 63,697.38

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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.