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Finding the Fourth Proportional to 93,373, 128,832.58 and 53,083.60

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Solution

The fourth proportional to 93,373, 128,832.58 and 53,083.60 is: 73,242.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,373 : 128,832.58 = 53,083.60 : x
  2. Step 2: Convert to fraction form
    93,373/128,832.58 = 53,083.60/x
  3. Step 3: Cross multiply
    93,373x = 128,832.58 × 53,083.60
  4. Step 4: Simplify right side
    93,373x = 6,838,897,143.69
  5. Step 5: Solve for x
    x = 6,838,897,143.69/93,373
  6. Step 6: Final answer
    x = 73,242.77

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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.