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Finding the Fourth Proportional to 295,235.21, 442,923.12 and 95,555.60

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Solution

The fourth proportional to 295,235.21, 442,923.12 and 95,555.60 is: 143,356.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,235.21 : 442,923.12 = 95,555.60 : x
  2. Step 2: Convert to fraction form
    295,235.21/442,923.12 = 95,555.60/x
  3. Step 3: Cross multiply
    295,235.21x = 442,923.12 × 95,555.60
  4. Step 4: Simplify right side
    295,235.21x = 42,323,783,931.82
  5. Step 5: Solve for x
    x = 42,323,783,931.82/295,235.21
  6. Step 6: Final answer
    x = 143,356.15

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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.