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Finding the Fourth Proportional to 64,302.60, 96,396.30 and 42,126.60

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Solution

The fourth proportional to 64,302.60, 96,396.30 and 42,126.60 is: 63,152.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,302.60 : 96,396.30 = 42,126.60 : x
  2. Step 2: Convert to fraction form
    64,302.60/96,396.30 = 42,126.60/x
  3. Step 3: Cross multiply
    64,302.60x = 96,396.30 × 42,126.60
  4. Step 4: Simplify right side
    64,302.60x = 4,060,848,371.58
  5. Step 5: Solve for x
    x = 4,060,848,371.58/64,302.60
  6. Step 6: Final answer
    x = 63,152.16

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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.