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Finding the Fourth Proportional to 99,534.60, 149,301.90 and 29,412.90

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Solution

The fourth proportional to 99,534.60, 149,301.90 and 29,412.90 is: 44,119.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,534.60 : 149,301.90 = 29,412.90 : x
  2. Step 2: Convert to fraction form
    99,534.60/149,301.90 = 29,412.90/x
  3. Step 3: Cross multiply
    99,534.60x = 149,301.90 × 29,412.90
  4. Step 4: Simplify right side
    99,534.60x = 4,391,401,854.51
  5. Step 5: Solve for x
    x = 4,391,401,854.51/99,534.60
  6. Step 6: Final answer
    x = 44,119.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.