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Finding the Fourth Proportional to 73,617.84, 101,649.90 and 56,595.72

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Solution

The fourth proportional to 73,617.84, 101,649.90 and 56,595.72 is: 78,146.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,617.84 : 101,649.90 = 56,595.72 : x
  2. Step 2: Convert to fraction form
    73,617.84/101,649.90 = 56,595.72/x
  3. Step 3: Cross multiply
    73,617.84x = 101,649.90 × 56,595.72
  4. Step 4: Simplify right side
    73,617.84x = 5,752,949,278.43
  5. Step 5: Solve for x
    x = 5,752,949,278.43/73,617.84
  6. Step 6: Final answer
    x = 78,146.13

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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.