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Finding the Fourth Proportional to 64,223.02, 88,569.22 and 55,145.55

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Solution

The fourth proportional to 64,223.02, 88,569.22 and 55,145.55 is: 76,050.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,223.02 : 88,569.22 = 55,145.55 : x
  2. Step 2: Convert to fraction form
    64,223.02/88,569.22 = 55,145.55/x
  3. Step 3: Cross multiply
    64,223.02x = 88,569.22 × 55,145.55
  4. Step 4: Simplify right side
    64,223.02x = 4,884,198,349.97
  5. Step 5: Solve for x
    x = 4,884,198,349.97/64,223.02
  6. Step 6: Final answer
    x = 76,050.59

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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.