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Finding the Fourth Proportional to 199,615.74, 299,439.81 and 59,374.50

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Solution

The fourth proportional to 199,615.74, 299,439.81 and 59,374.50 is: 89,066.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,615.74 : 299,439.81 = 59,374.50 : x
  2. Step 2: Convert to fraction form
    199,615.74/299,439.81 = 59,374.50/x
  3. Step 3: Cross multiply
    199,615.74x = 299,439.81 × 59,374.50
  4. Step 4: Simplify right side
    199,615.74x = 17,779,088,998.85
  5. Step 5: Solve for x
    x = 17,779,088,998.85/199,615.74
  6. Step 6: Final answer
    x = 89,066.57

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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.