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Finding the Fourth Proportional to 93,302.80, 140,002.80 and 40,717.60

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Solution

The fourth proportional to 93,302.80, 140,002.80 and 40,717.60 is: 61,097.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,302.80 : 140,002.80 = 40,717.60 : x
  2. Step 2: Convert to fraction form
    93,302.80/140,002.80 = 40,717.60/x
  3. Step 3: Cross multiply
    93,302.80x = 140,002.80 × 40,717.60
  4. Step 4: Simplify right side
    93,302.80x = 5,700,578,009.28
  5. Step 5: Solve for x
    x = 5,700,578,009.28/93,302.80
  6. Step 6: Final answer
    x = 61,097.61

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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.