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Finding the Fourth Proportional to 224,280.90, 336,421.35 and 141,336.90

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Solution

The fourth proportional to 224,280.90, 336,421.35 and 141,336.90 is: 212,005.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,280.90 : 336,421.35 = 141,336.90 : x
  2. Step 2: Convert to fraction form
    224,280.90/336,421.35 = 141,336.90/x
  3. Step 3: Cross multiply
    224,280.90x = 336,421.35 × 141,336.90
  4. Step 4: Simplify right side
    224,280.90x = 47,548,750,702.82
  5. Step 5: Solve for x
    x = 47,548,750,702.82/224,280.90
  6. Step 6: Final answer
    x = 212,005.35

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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.