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Finding the Fourth Proportional to 164,492.92, 226,999.98 and 89,041.72

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Solution

The fourth proportional to 164,492.92, 226,999.98 and 89,041.72 is: 122,877.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,492.92 : 226,999.98 = 89,041.72 : x
  2. Step 2: Convert to fraction form
    164,492.92/226,999.98 = 89,041.72/x
  3. Step 3: Cross multiply
    164,492.92x = 226,999.98 × 89,041.72
  4. Step 4: Simplify right side
    164,492.92x = 20,212,468,659.17
  5. Step 5: Solve for x
    x = 20,212,468,659.17/164,492.92
  6. Step 6: Final answer
    x = 122,877.44

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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.