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Finding the Fourth Proportional to 109,812.58, 151,541.49 and 59,511.58

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Solution

The fourth proportional to 109,812.58, 151,541.49 and 59,511.58 is: 82,126.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,812.58 : 151,541.49 = 59,511.58 : x
  2. Step 2: Convert to fraction form
    109,812.58/151,541.49 = 59,511.58/x
  3. Step 3: Cross multiply
    109,812.58x = 151,541.49 × 59,511.58
  4. Step 4: Simplify right side
    109,812.58x = 9,018,473,505.45
  5. Step 5: Solve for x
    x = 9,018,473,505.45/109,812.58
  6. Step 6: Final answer
    x = 82,126.05

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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.