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Finding the Fourth Proportional to 169,783.36, 234,321.68 and 97,213.20

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Solution

The fourth proportional to 169,783.36, 234,321.68 and 97,213.20 is: 134,166.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,783.36 : 234,321.68 = 97,213.20 : x
  2. Step 2: Convert to fraction form
    169,783.36/234,321.68 = 97,213.20/x
  3. Step 3: Cross multiply
    169,783.36x = 234,321.68 × 97,213.20
  4. Step 4: Simplify right side
    169,783.36x = 22,779,160,342.18
  5. Step 5: Solve for x
    x = 22,779,160,342.18/169,783.36
  6. Step 6: Final answer
    x = 134,166.04

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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.