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Finding the Fourth Proportional to 73,151.82, 100,948.18 and 40,887.06

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Solution

The fourth proportional to 73,151.82, 100,948.18 and 40,887.06 is: 56,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,151.82 : 100,948.18 = 40,887.06 : x
  2. Step 2: Convert to fraction form
    73,151.82/100,948.18 = 40,887.06/x
  3. Step 3: Cross multiply
    73,151.82x = 100,948.18 × 40,887.06
  4. Step 4: Simplify right side
    73,151.82x = 4,127,474,292.55
  5. Step 5: Solve for x
    x = 4,127,474,292.55/73,151.82
  6. Step 6: Final answer
    x = 56,423.40

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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.