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Finding the Fourth Proportional to 93,520.65, 140,300.70 and 30,335.87

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Solution

The fourth proportional to 93,520.65, 140,300.70 and 30,335.87 is: 45,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,520.65 : 140,300.70 = 30,335.87 : x
  2. Step 2: Convert to fraction form
    93,520.65/140,300.70 = 30,335.87/x
  3. Step 3: Cross multiply
    93,520.65x = 140,300.70 × 30,335.87
  4. Step 4: Simplify right side
    93,520.65x = 4,256,143,094.61
  5. Step 5: Solve for x
    x = 4,256,143,094.61/93,520.65
  6. Step 6: Final answer
    x = 45,510.20

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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.