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Finding the Fourth Proportional to 64,999.60, 97,353.60 and 53,335.60

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Solution

The fourth proportional to 64,999.60, 97,353.60 and 53,335.60 is: 79,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,999.60 : 97,353.60 = 53,335.60 : x
  2. Step 2: Convert to fraction form
    64,999.60/97,353.60 = 53,335.60/x
  3. Step 3: Cross multiply
    64,999.60x = 97,353.60 × 53,335.60
  4. Step 4: Simplify right side
    64,999.60x = 5,192,412,668.16
  5. Step 5: Solve for x
    x = 5,192,412,668.16/64,999.60
  6. Step 6: Final answer
    x = 79,883.76

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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.