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Finding the Fourth Proportional to 97,191, 145,457.31 and 59,774.79

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Solution

The fourth proportional to 97,191, 145,457.31 and 59,774.79 is: 89,459.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,191 : 145,457.31 = 59,774.79 : x
  2. Step 2: Convert to fraction form
    97,191/145,457.31 = 59,774.79/x
  3. Step 3: Cross multiply
    97,191x = 145,457.31 × 59,774.79
  4. Step 4: Simplify right side
    97,191x = 8,694,680,159.21
  5. Step 5: Solve for x
    x = 8,694,680,159.21/97,191
  6. Step 6: Final answer
    x = 89,459.73

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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.