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Finding the Fourth Proportional to 93,322.31, 128,787.23 and 57,535.97

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Solution

The fourth proportional to 93,322.31, 128,787.23 and 57,535.97 is: 79,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,322.31 : 128,787.23 = 57,535.97 : x
  2. Step 2: Convert to fraction form
    93,322.31/128,787.23 = 57,535.97/x
  3. Step 3: Cross multiply
    93,322.31x = 128,787.23 × 57,535.97
  4. Step 4: Simplify right side
    93,322.31x = 7,409,897,701.57
  5. Step 5: Solve for x
    x = 7,409,897,701.57/93,322.31
  6. Step 6: Final answer
    x = 79,401.14

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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.