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Finding the Fourth Proportional to 164,817.89, 227,041.54 and 140,539.79

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Solution

The fourth proportional to 164,817.89, 227,041.54 and 140,539.79 is: 193,597.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,817.89 : 227,041.54 = 140,539.79 : x
  2. Step 2: Convert to fraction form
    164,817.89/227,041.54 = 140,539.79/x
  3. Step 3: Cross multiply
    164,817.89x = 227,041.54 × 140,539.79
  4. Step 4: Simplify right side
    164,817.89x = 31,908,370,569.13
  5. Step 5: Solve for x
    x = 31,908,370,569.13/164,817.89
  6. Step 6: Final answer
    x = 193,597.74

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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.