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Finding the Fourth Proportional to 132,551.95, 182,916.21 and 72,122.83

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Solution

The fourth proportional to 132,551.95, 182,916.21 and 72,122.83 is: 99,526.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,551.95 : 182,916.21 = 72,122.83 : x
  2. Step 2: Convert to fraction form
    132,551.95/182,916.21 = 72,122.83/x
  3. Step 3: Cross multiply
    132,551.95x = 182,916.21 × 72,122.83
  4. Step 4: Simplify right side
    132,551.95x = 13,192,434,718.07
  5. Step 5: Solve for x
    x = 13,192,434,718.07/132,551.95
  6. Step 6: Final answer
    x = 99,526.52

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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.