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Finding the Fourth Proportional to 109,360.08, 150,916.88 and 59,059.08

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Solution

The fourth proportional to 109,360.08, 150,916.88 and 59,059.08 is: 81,501.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,360.08 : 150,916.88 = 59,059.08 : x
  2. Step 2: Convert to fraction form
    109,360.08/150,916.88 = 59,059.08/x
  3. Step 3: Cross multiply
    109,360.08x = 150,916.88 × 59,059.08
  4. Step 4: Simplify right side
    109,360.08x = 8,913,012,089.27
  5. Step 5: Solve for x
    x = 8,913,012,089.27/109,360.08
  6. Step 6: Final answer
    x = 81,501.51

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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.