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Finding the Fourth Proportional to 224,085, 336,008.70 and 66,291.72

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Solution

The fourth proportional to 224,085, 336,008.70 and 66,291.72 is: 99,402.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,085 : 336,008.70 = 66,291.72 : x
  2. Step 2: Convert to fraction form
    224,085/336,008.70 = 66,291.72/x
  3. Step 3: Cross multiply
    224,085x = 336,008.70 × 66,291.72
  4. Step 4: Simplify right side
    224,085x = 22,274,594,657.96
  5. Step 5: Solve for x
    x = 22,274,594,657.96/224,085
  6. Step 6: Final answer
    x = 99,402.44

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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.