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Finding the Fourth Proportional to 93,271.65, 128,711.11 and 50,829.27

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Solution

The fourth proportional to 93,271.65, 128,711.11 and 50,829.27 is: 70,142.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,271.65 : 128,711.11 = 50,829.27 : x
  2. Step 2: Convert to fraction form
    93,271.65/128,711.11 = 50,829.27/x
  3. Step 3: Cross multiply
    93,271.65x = 128,711.11 × 50,829.27
  4. Step 4: Simplify right side
    93,271.65x = 6,542,291,762.19
  5. Step 5: Solve for x
    x = 6,542,291,762.19/93,271.65
  6. Step 6: Final answer
    x = 70,142.34

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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.