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Finding the Fourth Proportional to 239,703.45, 359,461.72 and 89,861.98

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Solution

The fourth proportional to 239,703.45, 359,461.72 and 89,861.98 is: 134,757.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,703.45 : 359,461.72 = 89,861.98 : x
  2. Step 2: Convert to fraction form
    239,703.45/359,461.72 = 89,861.98/x
  3. Step 3: Cross multiply
    239,703.45x = 359,461.72 × 89,861.98
  4. Step 4: Simplify right side
    239,703.45x = 32,301,941,022.82
  5. Step 5: Solve for x
    x = 32,301,941,022.82/239,703.45
  6. Step 6: Final answer
    x = 134,757.93

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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.