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Finding the Fourth Proportional to 109,359.95, 150,916.71 and 59,058.95

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Solution

The fourth proportional to 109,359.95, 150,916.71 and 59,058.95 is: 81,501.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,359.95 : 150,916.71 = 59,058.95 : x
  2. Step 2: Convert to fraction form
    109,359.95/150,916.71 = 59,058.95/x
  3. Step 3: Cross multiply
    109,359.95x = 150,916.71 × 59,058.95
  4. Step 4: Simplify right side
    109,359.95x = 8,912,981,675.47
  5. Step 5: Solve for x
    x = 8,912,981,675.47/109,359.95
  6. Step 6: Final answer
    x = 81,501.34

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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.