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Finding the Fourth Proportional to 93,065.70, 139,587 and 29,880.84

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Solution

The fourth proportional to 93,065.70, 139,587 and 29,880.84 is: 44,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,065.70 : 139,587 = 29,880.84 : x
  2. Step 2: Convert to fraction form
    93,065.70/139,587 = 29,880.84/x
  3. Step 3: Cross multiply
    93,065.70x = 139,587 × 29,880.84
  4. Step 4: Simplify right side
    93,065.70x = 4,170,976,813.08
  5. Step 5: Solve for x
    x = 4,170,976,813.08/93,065.70
  6. Step 6: Final answer
    x = 44,817.55

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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.