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Finding the Fourth Proportional to 70,161.17, 105,207.65 and 23,398.25

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Solution

The fourth proportional to 70,161.17, 105,207.65 and 23,398.25 is: 35,086.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,161.17 : 105,207.65 = 23,398.25 : x
  2. Step 2: Convert to fraction form
    70,161.17/105,207.65 = 23,398.25/x
  3. Step 3: Cross multiply
    70,161.17x = 105,207.65 × 23,398.25
  4. Step 4: Simplify right side
    70,161.17x = 2,461,674,779.62
  5. Step 5: Solve for x
    x = 2,461,674,779.62/70,161.17
  6. Step 6: Final answer
    x = 35,086.00

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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.