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Finding the Fourth Proportional to 110,095.81, 151,932.51 and 64,775.50

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Solution

The fourth proportional to 110,095.81, 151,932.51 and 64,775.50 is: 89,390.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,095.81 : 151,932.51 = 64,775.50 : x
  2. Step 2: Convert to fraction form
    110,095.81/151,932.51 = 64,775.50/x
  3. Step 3: Cross multiply
    110,095.81x = 151,932.51 × 64,775.50
  4. Step 4: Simplify right side
    110,095.81x = 9,841,503,217.96
  5. Step 5: Solve for x
    x = 9,841,503,217.96/110,095.81
  6. Step 6: Final answer
    x = 89,390.36

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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.