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Finding the Fourth Proportional to 231,226.40, 346,904.40 and 112,901.60

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Solution

The fourth proportional to 231,226.40, 346,904.40 and 112,901.60 is: 169,384.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,226.40 : 346,904.40 = 112,901.60 : x
  2. Step 2: Convert to fraction form
    231,226.40/346,904.40 = 112,901.60/x
  3. Step 3: Cross multiply
    231,226.40x = 346,904.40 × 112,901.60
  4. Step 4: Simplify right side
    231,226.40x = 39,166,061,807.04
  5. Step 5: Solve for x
    x = 39,166,061,807.04/231,226.40
  6. Step 6: Final answer
    x = 169,384.04

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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.