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Finding the Fourth Proportional to 159,693.12, 239,536.08 and 64,923.12

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Solution

The fourth proportional to 159,693.12, 239,536.08 and 64,923.12 is: 97,383.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,693.12 : 239,536.08 = 64,923.12 : x
  2. Step 2: Convert to fraction form
    159,693.12/239,536.08 = 64,923.12/x
  3. Step 3: Cross multiply
    159,693.12x = 239,536.08 × 64,923.12
  4. Step 4: Simplify right side
    159,693.12x = 15,551,429,666.17
  5. Step 5: Solve for x
    x = 15,551,429,666.17/159,693.12
  6. Step 6: Final answer
    x = 97,383.22

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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.