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Finding the Fourth Proportional to 101,980.86, 152,798.68 and 62,455.42

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Solution

The fourth proportional to 101,980.86, 152,798.68 and 62,455.42 is: 93,577.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,980.86 : 152,798.68 = 62,455.42 : x
  2. Step 2: Convert to fraction form
    101,980.86/152,798.68 = 62,455.42/x
  3. Step 3: Cross multiply
    101,980.86x = 152,798.68 × 62,455.42
  4. Step 4: Simplify right side
    101,980.86x = 9,543,105,734.85
  5. Step 5: Solve for x
    x = 9,543,105,734.85/101,980.86
  6. Step 6: Final answer
    x = 93,577.42

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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.