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Finding the Fourth Proportional to 159,707.79, 239,594.74 and 64,937.98

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Solution

The fourth proportional to 159,707.79, 239,594.74 and 64,937.98 is: 97,420.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,707.79 : 239,594.74 = 64,937.98 : x
  2. Step 2: Convert to fraction form
    159,707.79/239,594.74 = 64,937.98/x
  3. Step 3: Cross multiply
    159,707.79x = 239,594.74 × 64,937.98
  4. Step 4: Simplify right side
    159,707.79x = 15,558,798,434.23
  5. Step 5: Solve for x
    x = 15,558,798,434.23/159,707.79
  6. Step 6: Final answer
    x = 97,420.41

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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.