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Finding the Fourth Proportional to 64,820.30, 97,230.45 and 60,446.30

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Solution

The fourth proportional to 64,820.30, 97,230.45 and 60,446.30 is: 90,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,820.30 : 97,230.45 = 60,446.30 : x
  2. Step 2: Convert to fraction form
    64,820.30/97,230.45 = 60,446.30/x
  3. Step 3: Cross multiply
    64,820.30x = 97,230.45 × 60,446.30
  4. Step 4: Simplify right side
    64,820.30x = 5,877,220,949.84
  5. Step 5: Solve for x
    x = 5,877,220,949.84/64,820.30
  6. Step 6: Final answer
    x = 90,669.45

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Similar ratio
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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.