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Finding the Fourth Proportional to 93,810.93, 140,730.80 and 31,466.85

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Solution

The fourth proportional to 93,810.93, 140,730.80 and 31,466.85 is: 47,205.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,810.93 : 140,730.80 = 31,466.85 : x
  2. Step 2: Convert to fraction form
    93,810.93/140,730.80 = 31,466.85/x
  3. Step 3: Cross multiply
    93,810.93x = 140,730.80 × 31,466.85
  4. Step 4: Simplify right side
    93,810.93x = 4,428,354,816.65
  5. Step 5: Solve for x
    x = 4,428,354,816.65/93,810.93
  6. Step 6: Final answer
    x = 47,205.11

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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.