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Finding the Fourth Proportional to 112,935, 169,359.36 and 38,035.02

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Solution

The fourth proportional to 112,935, 169,359.36 and 38,035.02 is: 57,038.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,935 : 169,359.36 = 38,035.02 : x
  2. Step 2: Convert to fraction form
    112,935/169,359.36 = 38,035.02/x
  3. Step 3: Cross multiply
    112,935x = 169,359.36 × 38,035.02
  4. Step 4: Simplify right side
    112,935x = 6,441,586,644.79
  5. Step 5: Solve for x
    x = 6,441,586,644.79/112,935
  6. Step 6: Final answer
    x = 57,038.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.