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Finding the Fourth Proportional to 93,285.52, 128,737.24 and 53,000.96

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Solution

The fourth proportional to 93,285.52, 128,737.24 and 53,000.96 is: 73,143.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,285.52 : 128,737.24 = 53,000.96 : x
  2. Step 2: Convert to fraction form
    93,285.52/128,737.24 = 53,000.96/x
  3. Step 3: Cross multiply
    93,285.52x = 128,737.24 × 53,000.96
  4. Step 4: Simplify right side
    93,285.52x = 6,823,197,307.75
  5. Step 5: Solve for x
    x = 6,823,197,307.75/93,285.52
  6. Step 6: Final answer
    x = 73,143.16

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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.