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Finding the Fourth Proportional to 162,555.36, 224,361.50 and 98,913.64

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Solution

The fourth proportional to 162,555.36, 224,361.50 and 98,913.64 is: 136,522.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,555.36 : 224,361.50 = 98,913.64 : x
  2. Step 2: Convert to fraction form
    162,555.36/224,361.50 = 98,913.64/x
  3. Step 3: Cross multiply
    162,555.36x = 224,361.50 × 98,913.64
  4. Step 4: Simplify right side
    162,555.36x = 22,192,412,640.86
  5. Step 5: Solve for x
    x = 22,192,412,640.86/162,555.36
  6. Step 6: Final answer
    x = 136,522.18

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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.