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Finding the Fourth Proportional to 93,565.72, 129,105.76 and 53,280.27

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Solution

The fourth proportional to 93,565.72, 129,105.76 and 53,280.27 is: 73,518.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,565.72 : 129,105.76 = 53,280.27 : x
  2. Step 2: Convert to fraction form
    93,565.72/129,105.76 = 53,280.27/x
  3. Step 3: Cross multiply
    93,565.72x = 129,105.76 × 53,280.27
  4. Step 4: Simplify right side
    93,565.72x = 6,878,789,751.36
  5. Step 5: Solve for x
    x = 6,878,789,751.36/93,565.72
  6. Step 6: Final answer
    x = 73,518.27

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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.