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Finding the Fourth Proportional to 159,685.94, 239,528.95 and 64,967.67

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Solution

The fourth proportional to 159,685.94, 239,528.95 and 64,967.67 is: 97,451.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,685.94 : 239,528.95 = 64,967.67 : x
  2. Step 2: Convert to fraction form
    159,685.94/239,528.95 = 64,967.67/x
  3. Step 3: Cross multiply
    159,685.94x = 239,528.95 × 64,967.67
  4. Step 4: Simplify right side
    159,685.94x = 15,561,637,616.63
  5. Step 5: Solve for x
    x = 15,561,637,616.63/159,685.94
  6. Step 6: Final answer
    x = 97,451.52

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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.