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Finding the Fourth Proportional to 109,359.84, 150,916.58 and 59,058.84

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Solution

The fourth proportional to 109,359.84, 150,916.58 and 59,058.84 is: 81,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,359.84 : 150,916.58 = 59,058.84 : x
  2. Step 2: Convert to fraction form
    109,359.84/150,916.58 = 59,058.84/x
  3. Step 3: Cross multiply
    109,359.84x = 150,916.58 × 59,058.84
  4. Step 4: Simplify right side
    109,359.84x = 8,912,958,151.57
  5. Step 5: Solve for x
    x = 8,912,958,151.57/109,359.84
  6. Step 6: Final answer
    x = 81,501.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.