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Finding the Fourth Proportional to 88,595.84, 132,916.20 and 29,431.80

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Solution

The fourth proportional to 88,595.84, 132,916.20 and 29,431.80 is: 44,155.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,595.84 : 132,916.20 = 29,431.80 : x
  2. Step 2: Convert to fraction form
    88,595.84/132,916.20 = 29,431.80/x
  3. Step 3: Cross multiply
    88,595.84x = 132,916.20 × 29,431.80
  4. Step 4: Simplify right side
    88,595.84x = 3,911,963,015.16
  5. Step 5: Solve for x
    x = 3,911,963,015.16/88,595.84
  6. Step 6: Final answer
    x = 44,155.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.