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Finding the Fourth Proportional to 64,177.60, 96,266.40 and 42,059.20

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Solution

The fourth proportional to 64,177.60, 96,266.40 and 42,059.20 is: 63,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,177.60 : 96,266.40 = 42,059.20 : x
  2. Step 2: Convert to fraction form
    64,177.60/96,266.40 = 42,059.20/x
  3. Step 3: Cross multiply
    64,177.60x = 96,266.40 × 42,059.20
  4. Step 4: Simplify right side
    64,177.60x = 4,048,887,770.88
  5. Step 5: Solve for x
    x = 4,048,887,770.88/64,177.60
  6. Step 6: Final answer
    x = 63,088.80

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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.