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Finding the Fourth Proportional to 73,154.91, 100,950.45 and 45,945.05

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Solution

The fourth proportional to 73,154.91, 100,950.45 and 45,945.05 is: 63,402.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,154.91 : 100,950.45 = 45,945.05 : x
  2. Step 2: Convert to fraction form
    73,154.91/100,950.45 = 45,945.05/x
  3. Step 3: Cross multiply
    73,154.91x = 100,950.45 × 45,945.05
  4. Step 4: Simplify right side
    73,154.91x = 4,638,173,472.77
  5. Step 5: Solve for x
    x = 4,638,173,472.77/73,154.91
  6. Step 6: Final answer
    x = 63,402.08

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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.