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Finding the Fourth Proportional to 94,808.52, 130,737.60 and 81,424.08

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Solution

The fourth proportional to 94,808.52, 130,737.60 and 81,424.08 is: 112,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,808.52 : 130,737.60 = 81,424.08 : x
  2. Step 2: Convert to fraction form
    94,808.52/130,737.60 = 81,424.08/x
  3. Step 3: Cross multiply
    94,808.52x = 130,737.60 × 81,424.08
  4. Step 4: Simplify right side
    94,808.52x = 10,645,188,801.41
  5. Step 5: Solve for x
    x = 10,645,188,801.41/94,808.52
  6. Step 6: Final answer
    x = 112,280.93

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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.