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Finding the Fourth Proportional to 230,706.40, 346,124.40 and 112,381.60

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Solution

The fourth proportional to 230,706.40, 346,124.40 and 112,381.60 is: 168,603.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,706.40 : 346,124.40 = 112,381.60 : x
  2. Step 2: Convert to fraction form
    230,706.40/346,124.40 = 112,381.60/x
  3. Step 3: Cross multiply
    230,706.40x = 346,124.40 × 112,381.60
  4. Step 4: Simplify right side
    230,706.40x = 38,898,013,871.04
  5. Step 5: Solve for x
    x = 38,898,013,871.04/230,706.40
  6. Step 6: Final answer
    x = 168,603.97

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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.