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Finding the Fourth Proportional to 93,246.50, 128,680.18 and 50,805.04

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Solution

The fourth proportional to 93,246.50, 128,680.18 and 50,805.04 is: 70,110.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,246.50 : 128,680.18 = 50,805.04 : x
  2. Step 2: Convert to fraction form
    93,246.50/128,680.18 = 50,805.04/x
  3. Step 3: Cross multiply
    93,246.50x = 128,680.18 × 50,805.04
  4. Step 4: Simplify right side
    93,246.50x = 6,537,600,834.63
  5. Step 5: Solve for x
    x = 6,537,600,834.63/93,246.50
  6. Step 6: Final answer
    x = 70,110.95

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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.