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Finding the Fourth Proportional to 93,285.66, 128,737.68 and 53,006.25

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Solution

The fourth proportional to 93,285.66, 128,737.68 and 53,006.25 is: 73,150.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,285.66 : 128,737.68 = 53,006.25 : x
  2. Step 2: Convert to fraction form
    93,285.66/128,737.68 = 53,006.25/x
  3. Step 3: Cross multiply
    93,285.66x = 128,737.68 × 53,006.25
  4. Step 4: Simplify right side
    93,285.66x = 6,823,901,650.50
  5. Step 5: Solve for x
    x = 6,823,901,650.50/93,285.66
  6. Step 6: Final answer
    x = 73,150.60

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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.