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Finding the Fourth Proportional to 155,176.37, 232,866.63 and 85,104.89

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Solution

The fourth proportional to 155,176.37, 232,866.63 and 85,104.89 is: 127,713.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,176.37 : 232,866.63 = 85,104.89 : x
  2. Step 2: Convert to fraction form
    155,176.37/232,866.63 = 85,104.89/x
  3. Step 3: Cross multiply
    155,176.37x = 232,866.63 × 85,104.89
  4. Step 4: Simplify right side
    155,176.37x = 19,818,088,930.82
  5. Step 5: Solve for x
    x = 19,818,088,930.82/155,176.37
  6. Step 6: Final answer
    x = 127,713.32

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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.