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Finding the Fourth Proportional to 64,230.80, 96,317.40 and 29,152.40

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Solution

The fourth proportional to 64,230.80, 96,317.40 and 29,152.40 is: 43,715.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,230.80 : 96,317.40 = 29,152.40 : x
  2. Step 2: Convert to fraction form
    64,230.80/96,317.40 = 29,152.40/x
  3. Step 3: Cross multiply
    64,230.80x = 96,317.40 × 29,152.40
  4. Step 4: Simplify right side
    64,230.80x = 2,807,883,371.76
  5. Step 5: Solve for x
    x = 2,807,883,371.76/64,230.80
  6. Step 6: Final answer
    x = 43,715.53

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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.