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Finding the Fourth Proportional to 283,502.70, 425,582.10 and 163,655.10

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Solution

The fourth proportional to 283,502.70, 425,582.10 and 163,655.10 is: 245,672.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,502.70 : 425,582.10 = 163,655.10 : x
  2. Step 2: Convert to fraction form
    283,502.70/425,582.10 = 163,655.10/x
  3. Step 3: Cross multiply
    283,502.70x = 425,582.10 × 163,655.10
  4. Step 4: Simplify right side
    283,502.70x = 69,648,681,133.71
  5. Step 5: Solve for x
    x = 69,648,681,133.71/283,502.70
  6. Step 6: Final answer
    x = 245,672.02

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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.