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Finding the Fourth Proportional to 64,842.30, 97,106.70 and 53,666.73

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Solution

The fourth proportional to 64,842.30, 97,106.70 and 53,666.73 is: 80,370.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,842.30 : 97,106.70 = 53,666.73 : x
  2. Step 2: Convert to fraction form
    64,842.30/97,106.70 = 53,666.73/x
  3. Step 3: Cross multiply
    64,842.30x = 97,106.70 × 53,666.73
  4. Step 4: Simplify right side
    64,842.30x = 5,211,399,050.09
  5. Step 5: Solve for x
    x = 5,211,399,050.09/64,842.30
  6. Step 6: Final answer
    x = 80,370.36

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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.