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Finding the Fourth Proportional to 164,909.52, 227,579.22 and 101,211.12

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Solution

The fourth proportional to 164,909.52, 227,579.22 and 101,211.12 is: 139,673.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,909.52 : 227,579.22 = 101,211.12 : x
  2. Step 2: Convert to fraction form
    164,909.52/227,579.22 = 101,211.12/x
  3. Step 3: Cross multiply
    164,909.52x = 227,579.22 × 101,211.12
  4. Step 4: Simplify right side
    164,909.52x = 23,033,547,744.93
  5. Step 5: Solve for x
    x = 23,033,547,744.93/164,909.52
  6. Step 6: Final answer
    x = 139,673.85

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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.