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Finding the Fourth Proportional to 55,886.20, 83,829.30 and 52,168.30

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Solution

The fourth proportional to 55,886.20, 83,829.30 and 52,168.30 is: 78,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,886.20 : 83,829.30 = 52,168.30 : x
  2. Step 2: Convert to fraction form
    55,886.20/83,829.30 = 52,168.30/x
  3. Step 3: Cross multiply
    55,886.20x = 83,829.30 × 52,168.30
  4. Step 4: Simplify right side
    55,886.20x = 4,373,232,071.19
  5. Step 5: Solve for x
    x = 4,373,232,071.19/55,886.20
  6. Step 6: Final answer
    x = 78,252.45

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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.