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Finding the Fourth Proportional to 450,038.79, 675,006.21 and 113,053.81

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Solution

The fourth proportional to 450,038.79, 675,006.21 and 113,053.81 is: 169,567.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,038.79 : 675,006.21 = 113,053.81 : x
  2. Step 2: Convert to fraction form
    450,038.79/675,006.21 = 113,053.81/x
  3. Step 3: Cross multiply
    450,038.79x = 675,006.21 × 113,053.81
  4. Step 4: Simplify right side
    450,038.79x = 76,312,023,248.89
  5. Step 5: Solve for x
    x = 76,312,023,248.89/450,038.79
  6. Step 6: Final answer
    x = 169,567.66

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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.