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Finding the Fourth Proportional to 93,343.89, 128,776.94 and 54,027.01

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Solution

The fourth proportional to 93,343.89, 128,776.94 and 54,027.01 is: 74,535.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,343.89 : 128,776.94 = 54,027.01 : x
  2. Step 2: Convert to fraction form
    93,343.89/128,776.94 = 54,027.01/x
  3. Step 3: Cross multiply
    93,343.89x = 128,776.94 × 54,027.01
  4. Step 4: Simplify right side
    93,343.89x = 6,957,432,484.76
  5. Step 5: Solve for x
    x = 6,957,432,484.76/93,343.89
  6. Step 6: Final answer
    x = 74,535.49

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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.