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Finding the Fourth Proportional to 177,689.40, 266,580.22 and 53,030.40

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Solution

The fourth proportional to 177,689.40, 266,580.22 and 53,030.40 is: 79,559.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,689.40 : 266,580.22 = 53,030.40 : x
  2. Step 2: Convert to fraction form
    177,689.40/266,580.22 = 53,030.40/x
  3. Step 3: Cross multiply
    177,689.40x = 266,580.22 × 53,030.40
  4. Step 4: Simplify right side
    177,689.40x = 14,136,855,698.69
  5. Step 5: Solve for x
    x = 14,136,855,698.69/177,689.40
  6. Step 6: Final answer
    x = 79,559.36

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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.