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Finding the Fourth Proportional to 106,237.68, 146,609.16 and 58,492.20

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Solution

The fourth proportional to 106,237.68, 146,609.16 and 58,492.20 is: 80,719.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,237.68 : 146,609.16 = 58,492.20 : x
  2. Step 2: Convert to fraction form
    106,237.68/146,609.16 = 58,492.20/x
  3. Step 3: Cross multiply
    106,237.68x = 146,609.16 × 58,492.20
  4. Step 4: Simplify right side
    106,237.68x = 8,575,492,308.55
  5. Step 5: Solve for x
    x = 8,575,492,308.55/106,237.68
  6. Step 6: Final answer
    x = 80,719.88

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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.