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Finding the Fourth Proportional to 276,059.77, 414,089.75 and 86,534.89

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Solution

The fourth proportional to 276,059.77, 414,089.75 and 86,534.89 is: 129,802.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,059.77 : 414,089.75 = 86,534.89 : x
  2. Step 2: Convert to fraction form
    276,059.77/414,089.75 = 86,534.89/x
  3. Step 3: Cross multiply
    276,059.77x = 414,089.75 × 86,534.89
  4. Step 4: Simplify right side
    276,059.77x = 35,833,210,966.38
  5. Step 5: Solve for x
    x = 35,833,210,966.38/276,059.77
  6. Step 6: Final answer
    x = 129,802.36

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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.