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Finding the Fourth Proportional to 228,171.60, 341,601.30 and 139,598.10

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Solution

The fourth proportional to 228,171.60, 341,601.30 and 139,598.10 is: 208,995.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,171.60 : 341,601.30 = 139,598.10 : x
  2. Step 2: Convert to fraction form
    228,171.60/341,601.30 = 139,598.10/x
  3. Step 3: Cross multiply
    228,171.60x = 341,601.30 × 139,598.10
  4. Step 4: Simplify right side
    228,171.60x = 47,686,892,437.53
  5. Step 5: Solve for x
    x = 47,686,892,437.53/228,171.60
  6. Step 6: Final answer
    x = 208,995.74

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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.