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Finding the Fourth Proportional to 155,059.40, 232,005.90 and 102,571.40

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Solution

The fourth proportional to 155,059.40, 232,005.90 and 102,571.40 is: 153,471.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,059.40 : 232,005.90 = 102,571.40 : x
  2. Step 2: Convert to fraction form
    155,059.40/232,005.90 = 102,571.40/x
  3. Step 3: Cross multiply
    155,059.40x = 232,005.90 × 102,571.40
  4. Step 4: Simplify right side
    155,059.40x = 23,797,169,971.26
  5. Step 5: Solve for x
    x = 23,797,169,971.26/155,059.40
  6. Step 6: Final answer
    x = 153,471.31

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1.5x scale

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.