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Finding the Fourth Proportional to 93,276.65, 139,806.57 and 53,323.63

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Solution

The fourth proportional to 93,276.65, 139,806.57 and 53,323.63 is: 79,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,276.65 : 139,806.57 = 53,323.63 : x
  2. Step 2: Convert to fraction form
    93,276.65/139,806.57 = 53,323.63/x
  3. Step 3: Cross multiply
    93,276.65x = 139,806.57 × 53,323.63
  4. Step 4: Simplify right side
    93,276.65x = 7,454,993,810.25
  5. Step 5: Solve for x
    x = 7,454,993,810.25/93,276.65
  6. Step 6: Final answer
    x = 79,923.47

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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.