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Finding the Fourth Proportional to 95,491.20, 143,193.60 and 42,873.60

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Solution

The fourth proportional to 95,491.20, 143,193.60 and 42,873.60 is: 64,291.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,491.20 : 143,193.60 = 42,873.60 : x
  2. Step 2: Convert to fraction form
    95,491.20/143,193.60 = 42,873.60/x
  3. Step 3: Cross multiply
    95,491.20x = 143,193.60 × 42,873.60
  4. Step 4: Simplify right side
    95,491.20x = 6,139,225,128.96
  5. Step 5: Solve for x
    x = 6,139,225,128.96/95,491.20
  6. Step 6: Final answer
    x = 64,291.00

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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.