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Finding the Fourth Proportional to 250,702.92, 346,034.70 and 155,155.32

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Solution

The fourth proportional to 250,702.92, 346,034.70 and 155,155.32 is: 214,154.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,702.92 : 346,034.70 = 155,155.32 : x
  2. Step 2: Convert to fraction form
    250,702.92/346,034.70 = 155,155.32/x
  3. Step 3: Cross multiply
    250,702.92x = 346,034.70 × 155,155.32
  4. Step 4: Simplify right side
    250,702.92x = 53,689,124,609.60
  5. Step 5: Solve for x
    x = 53,689,124,609.60/250,702.92
  6. Step 6: Final answer
    x = 214,154.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.